On Linux/x86_64,
b960a57e1b00390c2ca9ff1406b72232d379a322 is the first bad commit
commit b960a57e1b00390c2ca9ff1406b72232d379a322
Author: Andrew Pinski <[email protected]>
Date: Thu Feb 12 20:36:33 2026 -0800
forwprop: Add copy prop for aggregates into a return [PR95825]
caused
FAIL: gcc.dg/tree-ssa/copy-prop-aggregate-return-1.c scan-tree-dump-times
forwprop1 "after previous" 1
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-7504/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl
--enable-libmpx x86_64-linux --disable-bootstrap
To reproduce:
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/copy-prop-aggregate-return-1.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/copy-prop-aggregate-return-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
(Please directly reply to this email for question about this report.)
(If you met problems with cascadelake related, disabling AVX512F in command
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)
