On Linux/x86_64,
f3f7e7514a794f34a0db1cda63cbaa0f1eb899f5 is the first bad commit
commit f3f7e7514a794f34a0db1cda63cbaa0f1eb899f5
Author: David Malcolm <[email protected]>
Date: Sat Feb 7 10:21:00 2026 -0500
analyzer: fix ICE on operator new with discarded result [PR116228]
caused
FAIL: g++.dg/analyzer/ice-pr116228.C -std=c++20 (test for excess errors)
FAIL: g++.dg/analyzer/ice-pr116228.C -std=c++26 (test for excess errors)
FAIL: g++.dg/analyzer/ice-pr116228.C -std=c++98 (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-7383/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="analyzer.exp=g++.dg/analyzer/ice-pr116228.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="analyzer.exp=g++.dg/analyzer/ice-pr116228.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.)
