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Owen Mansel-Chan
2022-12-06 16:25:50 +00:00
parent d588ee375b
commit 4789431d6e
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go/ql/lib/change-notes/2022-12-6-may-have-side-effects-return-stmt.md Normal file
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---
category: minorAnalysis
---
The definition of `mayHaveSideEffects` for `ReturnStmt` was incorrect when more
than one expression was being returned. Such return statements were
effectively considered to never have side effects. This has now been fixed.
In rare circumstances `globalValueNumber` may have incorrectly treated two
values as the same when they were in fact distinct.