https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103845
Bug ID: 103845
Summary: ICE in execute, at gimple-harden-conditionals.cc:552
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
CC: aoliva at gcc dot gnu.org
Target Milestone: ---
gcc 12.0.0 20211226 snapshot (g:d87483015d476a95f521f0c9dcf6988ca889063b) ICEs
when compiling the following testcase w/ -O1 -fharden-compares
-fno-ipa-pure-const:
int
baz (void);
__attribute__ ((returns_twice)) void
bar (void)
{
}
int
quux (int y, int z)
{
return (y || z >= 0) ? y : z;
}
int
foo (int x)
{
int a = 0, b = x == a;
bar ();
if (!!baz () < quux (b, a))
++x;
return x;
}
% gcc-12.0.0 -O1 -fharden-compares -fno-ipa-pure-const -c sys89o7m.c
during GIMPLE pass: hardcmp
sys89o7m.c: In function 'foo':
sys89o7m.c:16:1: internal compiler error: in execute, at
gimple-harden-conditionals.cc:552
16 | foo (int x)
| ^~~
0x8122e4 execute
/var/tmp/portage/sys-devel/gcc-12.0.0_p20211226/work/gcc-12-20211226/gcc/gimple-harden-conditionals.cc:552
