On Linux/x86_64, a98d5130a6dcff2ed4db371e500550134777b8cf is the first bad commit commit a98d5130a6dcff2ed4db371e500550134777b8cf Author: Richard Biener <rguent...@suse.de> Date: Mon Jan 15 12:55:20 2024 +0100
rtl-optimization/113255 - base_alias_check vs. pointer difference caused FAIL: gcc.dg/torture/pr113255.c -O0 (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O1 (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O2 -flto -fno-use-linker-plugin -flto-partition=none (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O2 (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O3 -g (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -Os (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-8346/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="dg-torture.exp=gcc.dg/torture/pr113255.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg-torture.exp=gcc.dg/torture/pr113255.c --target_board='unix{-m32\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com) (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.)