gcc11 issue on reference functions #73

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opened 2021-07-13 15:56:29 -05:00 by gbtucker · 1 comment

gbtucker commented

2021-07-13 15:56:29 -05:00

(Migrated from github.com)

Starting with gcc11, many of the hash reference functions return incorrect results on -O2 and above but pass as at -O1. This may be related to a gcc11 siting gcc bug 101257 where IPA is causing a violation of the strict aliasing rules. Commit 9510077 attempts to fix this with attribute(noipa) but can revert if fixed.

Starting with gcc11, many of the hash reference functions return incorrect results on -O2 and above but pass as at -O1. This may be related to a gcc11 siting [gcc bug 101257](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101257) where IPA is causing a violation of the strict aliasing rules. Commit 9510077 attempts to fix this with attribute(noipa) but can revert if fixed.

thesamesam commented

2025-06-07 16:26:12 -05:00

(Migrated from github.com)