[r12-4976 Regression] FAIL: gfortran.dg/vector_subscript_1.f90 -O3 -g execution test on Linux/x86_64

sunil.k.pandey skpandey@sc.intel.com
Sun Nov 7 18:01:06 GMT 2021


On Linux/x86_64,

4898e958a92d45dbf23c0f28bc7552689ba16ecc is the first bad commit
commit 4898e958a92d45dbf23c0f28bc7552689ba16ecc
Author: Jan Hubicka <hubicka@ucw.cz>
Date:   Sun Nov 7 09:35:16 2021 +0100

    Implement intra-procedural dataflow in ipa-modref flags propagation.

caused

FAIL: gfortran.dg/vector_subscript_1.f90   -O1  execution test
FAIL: gfortran.dg/vector_subscript_1.f90   -O2  execution test
FAIL: gfortran.dg/vector_subscript_1.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/vector_subscript_1.f90   -O3 -g  execution test

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-4976/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.exp=gfortran.dg/vector_subscript_1.f90 --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/vector_subscript_1.f90 --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/vector_subscript_1.f90 --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/vector_subscript_1.f90 --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)


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