Bug #21006: `defined?((receiver).method)` raises Stack consistency error

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +YJIT +MN +PRISM [arm64-darwin22]
• Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN

[tompng (tomoya ishida)]

$ ruby -ve "defined?((foo).bar)"
ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +YJIT +MN +PRISM [arm64-darwin22]
-e:1: warning: possibly useless use of defined? in void context
-e:1: [BUG] Stack consistency error (sp: 7, bp: 6)

[tompng (tomoya ishida)]

https://github.com/ruby/ruby/pull/12518

[tompng (tomoya ishida)]

• Status changed from Open to Closed

Applied in changeset git|8fb17f86d7ef2a84f82c83a9509e311a07aa93fc.

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[Bug #21006] Fix defined_expr compilation of method call with parenth… (#12518)

[Bug #21006] Fix defined_expr compilation of method call with parenthesized receiver