[ruby-core:122252] [Ruby Bug#21366] [[]]

23 May 2025


      Issue #21366 has been reported by vv3 (Mariusz A).

----------------------------------------
Bug #21366: [[]]
https://bugs.ruby-lang.org/issues/21366

* Author: vv3 (Mariusz A)
* Status: Open
* ruby -v: ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [aarch64-linux-gnu]
* Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:255:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  255 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _01(__VA_ARGS__, VALUE(*)(VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:256:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  256 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _02(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:257:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  257 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _03(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:258:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  258 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _04(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:259:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  259 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _05(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:260:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  260 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _06(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:261:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  261 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _07(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:262:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  262 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _08(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:263:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  263 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _09(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:264:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  264 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _10(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:265:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  265 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _11(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:266:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  266 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _12(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:267:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  267 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _13(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:268:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  268 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _14(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:269:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  269 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _15(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int);
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:275:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  275 | RBIMPL_ANYARGS_DECL(rb_define_method_id, VALUE, ID)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:251:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  251 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _m3(__VA_ARGS__, VALUE(*)(ANYARGS), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:252:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  252 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _m2(__VA_ARGS__, VALUE(*)(VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:253:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  253 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _m1(__VA_ARGS__, VALUE(*)(int, union { VALUE *x; const VALUE *y; } __attribute__((__transparent_union__)), VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:254:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  254 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _00(__VA_ARGS__, VALUE(*)(VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:255:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  255 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _01(__VA_ARGS__, VALUE(*)(VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:256:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  256 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _02(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:257:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  257 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _03(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:258:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  258 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _04(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:259:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  259 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _05(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:260:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  260 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _06(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:261:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  261 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _07(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:262:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  262 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _08(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:263:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  263 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _09(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:264:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  264 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _10(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:265:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  265 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _11(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:266:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  266 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _12(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:267:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  267 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _13(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:268:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  268 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _14(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int); \
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:249:38: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  249 | # define RBIMPL_ANYARGS_ATTRSET(sym) RBIMPL_ATTR_MAYBE_UNUSED() RBIMPL_ATTR_NONNULL(()) RBIMPL_ATTR_WEAKREF(sym)
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:269:1: note: in expansion of macro ‘RBIMPL_ANYARGS_ATTRSET’
  269 | RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _15(__VA_ARGS__, VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE), int);
      | ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: in expansion of macro ‘RBIMPL_ANYARGS_DECL’
  276 | RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
      | ^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/ruby-3.1.0/ruby/internal/core/rstring.h:30,
                 from /usr/include/ruby-3.1.0/ruby/internal/arithmetic/char.h:29,
                 from /usr/include/ruby-3.1.0/ruby/internal/arithmetic.h:23,
                 from /usr/include/ruby-3.1.0/ruby/ruby.h:27:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h: In function ‘RB_OBJ_TAINTABLE’:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:794:24: warning: unused parameter ‘obj’ [-Wunused-parameter]
  794 | RB_OBJ_TAINTABLE(VALUE obj)
      |                  ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h: In function ‘RB_OBJ_TAINTED_RAW’:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:811:26: warning: unused parameter ‘obj’ [-Wunused-parameter]
  811 | RB_OBJ_TAINTED_RAW(VALUE obj)
      |                    ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h: In function ‘RB_OBJ_TAINTED’:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:828:22: warning: unused parameter ‘obj’ [-Wunused-parameter]
  828 | RB_OBJ_TAINTED(VALUE obj)
      |                ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h: In function ‘RB_OBJ_TAINT_RAW’:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:843:24: warning: unused parameter ‘obj’ [-Wunused-parameter]
  843 | RB_OBJ_TAINT_RAW(VALUE obj)
      |                  ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h: In function ‘RB_OBJ_TAINT’:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:858:20: warning: unused parameter ‘obj’ [-Wunused-parameter]
  858 | RB_OBJ_TAINT(VALUE obj)
      |              ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h: In function ‘RB_OBJ_INFECT_RAW’:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:874:25: warning: unused parameter ‘dst’ [-Wunused-parameter]
  874 | RB_OBJ_INFECT_RAW(VALUE dst, VALUE src)
      |                   ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:874:36: warning: unused parameter ‘src’ [-Wunused-parameter]
  874 | RB_OBJ_INFECT_RAW(VALUE dst, VALUE src)
      |                              ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h: In function ‘RB_OBJ_INFECT’:
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:890:21: warning: unused parameter ‘dst’ [-Wunused-parameter]
  890 | RB_OBJ_INFECT(VALUE dst, VALUE src)
      |               ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/fl_type.h:890:32: warning: unused parameter ‘src’ [-Wunused-parameter]
  890 | RB_OBJ_INFECT(VALUE dst, VALUE src)
      |                          ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h: At top level:
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h:365:5: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  365 |     RBIMPL_ATTR_MAYBE_UNUSED()
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h:367:5: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  367 |     RBIMPL_ATTR_MAYBE_UNUSED()
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h:393:5: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  393 |     RBIMPL_ATTR_MAYBE_UNUSED()
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h:396:5: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  396 |     RBIMPL_ATTR_MAYBE_UNUSED()
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h:398:5: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  398 |     RBIMPL_ATTR_MAYBE_UNUSED()
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h:428:5: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  428 |     RBIMPL_ATTR_MAYBE_UNUSED()
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/rgengc.h:430:5: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  430 |     RBIMPL_ATTR_MAYBE_UNUSED()
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/core/rarray.h:418:24: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  418 |                        RBIMPL_ATTR_MAYBE_UNUSED()
      |                        ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/internal/core/rarray.h:445:22: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  445 |                      RBIMPL_ATTR_MAYBE_UNUSED()
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/ruby-3.1.0/ruby/ruby.h:44:
/usr/include/ruby-3.1.0/ruby/internal/newobj.h: In function ‘rb_clone_setup’:
/usr/include/ruby-3.1.0/ruby/internal/newobj.h:173:22: warning: unused parameter ‘clone’ [-Wunused-parameter]
  173 | rb_clone_setup(VALUE clone, VALUE obj)
      |                ~~~~~~^~~~~
/usr/include/ruby-3.1.0/ruby/internal/newobj.h:173:35: warning: unused parameter ‘obj’ [-Wunused-parameter]
  173 | rb_clone_setup(VALUE clone, VALUE obj)
      |                             ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/newobj.h: In function ‘rb_dup_setup’:
/usr/include/ruby-3.1.0/ruby/internal/newobj.h:190:20: warning: unused parameter ‘dup’ [-Wunused-parameter]
  190 | rb_dup_setup(VALUE dup, VALUE obj)
      |              ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/newobj.h:190:31: warning: unused parameter ‘obj’ [-Wunused-parameter]
  190 | rb_dup_setup(VALUE dup, VALUE obj)
      |                         ~~~~~~^~~
/usr/include/ruby-3.1.0/ruby/internal/scan_args.h: At top level:
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/backward/2/attributes.h:163:28: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  163 | #define RB_UNUSED_VAR(x) x RBIMPL_ATTR_MAYBE_UNUSED()
      |                            ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/scan_args.h:391:33: note: in expansion of macro ‘RB_UNUSED_VAR’
  391 |                  VALUE *vars[], RB_UNUSED_VAR(const char *fmt), RB_UNUSED_VAR(int varc))
      |                                 ^~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/attr/maybe_unused.h:31:37: warning: ISO C does not support ‘[[]]’ attributes before C2X [-Wpedantic]
   31 | # define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
      |                                     ^
/usr/include/ruby-3.1.0/ruby/backward/2/attributes.h:163:28: note: in expansion of macro ‘RBIMPL_ATTR_MAYBE_UNUSED’
  163 | #define RB_UNUSED_VAR(x) x RBIMPL_ATTR_MAYBE_UNUSED()
      |                            ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/ruby-3.1.0/ruby/internal/scan_args.h:391:65: note: in expansion of macro ‘RB_UNUSED_VAR’
  391 |                  VALUE *vars[], RB_UNUSED_VAR(const char *fmt), RB_UNUSED_VAR(int varc))


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uname -a 
6.12.20-current-sunxi64 #1 SMP Sat Mar 22 19:54:28 UTC 2025 aarch64 


armbian orange pi zero 3


-- 
https://bugs.ruby-lang.org/