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December 2023

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[ruby-core:115574] [Ruby master Bug#20036] Backport 6ebcf25de2859b5b6402b7e8b181066c32d0e0bf
by nagachika (Tomoyuki Chikanaga) 02 Dec '23

02 Dec '23

Issue #20036 has been reported by nagachika (Tomoyuki Chikanaga). ---------------------------------------- Bug #20036: Backport 6ebcf25de2859b5b6402b7e8b181066c32d0e0bf https://bugs.ruby-lang.org/issues/20036 * Author: nagachika (Tomoyuki Chikanaga) * Status: Closed * Priority: Normal * Backport: 3.0: UNKNOWN, 3.1: REQUIRED, 3.2: REQUIRED ---------------------------------------- This is a backport management ticket. I think https://github.com/ruby/ruby/commit/6ebcf25de2859b5b6402b7e8b181066c32d0e0bf should be backported into ruby_{3_1,3_2}. -- https://bugs.ruby-lang.org/

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[ruby-core:115563] [Ruby master Bug#20033] `/#{''}(?<lvar>)/ =~ s` looks like a dynamic regexp match but assigns to local variable
by tompng (tomoya ishida) 01 Dec '23

01 Dec '23

Issue #20033 has been reported by tompng (tomoya ishida). ---------------------------------------- Bug #20033: `/#{''}(?<lvar>)/ =~ s` looks like a dynamic regexp match but assigns to local variable https://bugs.ruby-lang.org/issues/20033 * Author: tompng (tomoya ishida) * Status: Open * Priority: Normal * ruby -v: ruby 3.3.0dev (2023-11-30T16:23:25Z master d048bae96b) [x86_64-linux] * Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN ---------------------------------------- I expect all of these code not to assign to lvar because all regexp looks like embedded dynamic regexp. ~~~ruby /#{''}(?<lvar>)/ =~ '' # assings to lvar /#{"#{''}"}(?<lvar>)/ =~ '' # does not assign to lvar /#{<<A}(?<lvar>)/ =~ '' # assigns to lvar string A /#{<<A}(?<lvar>)/ =~ '' # does not assign to lvar #{'string'} A ~~~ I think `/#{'a'}/` can be a DREGX because for string, `"#{'a'}#{'b'}"` is DSTR `(DSTR@1:0-1:14 "ab" nil nil)`. -- https://bugs.ruby-lang.org/

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