https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115161
Sergei Trofimovich <slyfox at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |roger at nextmovesoftware dot
com,
| |sayle at gcc dot gnu.org
--- Comment #1 from Sergei Trofimovich <slyfox at gcc dot gnu.org> ---
Bisect landed on r15-352-gf2449b55fb2d32
commit f2449b55fb2d32fc4200667ba79847db31f6530d
Author: Roger Sayle <[email protected]>
Date: Thu May 9 22:45:54 2024 +0100
Constant fold {-1,-1} << 1 in simplify-rtx.cc
But I'm not sure if it's the real cause or the code moved around enough. The
sample is somewhat fragile and resisted minimization.