[r13-1950 Regression] FAIL: gfortran.dg/make_unit.f90 -O1 (test for excess errors) on Linux/x86_64

[r13-1950 Regression] FAIL: gfortran.dg/make_unit.f90 -O1 (test for excess errors) on Linux/x86_64

[haochen.jiang]

On Linux/x86_64,

9bb19e143cfe8863e2e79d4176b5d7e997b08c5f is the first bad commit
commit 9bb19e143cfe8863e2e79d4176b5d7e997b08c5f
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Wed Aug 3 16:00:39 2022 +0100

    middle-end: Support recognition of three-way max/min.

caused

FAIL: gcc.dg/analyzer/pr96653.c (internal compiler error: in gimple_phi_arg, at gimple.h:4594)
FAIL: gcc.dg/analyzer/pr96653.c (test for excess errors)
FAIL: g++.dg/warn/uninit-pr105562.C  -std=gnu++14 (internal compiler error: in gimple_phi_arg, at gimple.h:4594)
FAIL: g++.dg/warn/uninit-pr105562.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/warn/uninit-pr105562.C  -std=gnu++17 (internal compiler error: in gimple_phi_arg, at gimple.h:4594)
FAIL: g++.dg/warn/uninit-pr105562.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/warn/uninit-pr105562.C  -std=gnu++20 (internal compiler error: in gimple_phi_arg, at gimple.h:4594)
FAIL: g++.dg/warn/uninit-pr105562.C  -std=gnu++20 (test for excess errors)
FAIL: gfortran.dg/make_unit.f90   -O1  (internal compiler error: in gimple_phi_arg, at gimple.h:4594)
FAIL: gfortran.dg/make_unit.f90   -O1  (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-1950/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=gcc.dg/analyzer/pr96653.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="analyzer.exp=gcc.dg/analyzer/pr96653.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/uninit-pr105562.C --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/uninit-pr105562.C --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/make_unit.f90 --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/make_unit.f90 --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/make_unit.f90 --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/make_unit.f90 --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)