https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103451
Bug ID: 103451
Summary: crash at gcc/range-op.cc:1836
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
For this C code:
int func_10_ptr_12;
void func_10(long li_8)
{
long *ptr_9 = &li_8;
li_8 &= *ptr_9 / 0 ?: li_8;
for (;;)
func_10_ptr_12 &= 4 ? *ptr_9 : 4;
}
void func_9_s_8()
{
func_10(func_9_s_8);
}
on recent gcc, does this:
$ /home/dcb/gcc/results/bin/gcc -c -O2 bug775.c
during IPA pass: inline
bug775.c: At top level:
bug775.c:14:1: internal compiler error: Segmentation fault
14 | }
| ^
0xdabcb9 crash_signal(int)
../../trunk.git/gcc/toplev.c:322
0x1c98f2f operator_div::wi_fold(irange&, tree_node*,
generic_wide_int<wide_int_storage> const&, generic_wide_int<wide_int_storage>
const&, generic_wide_int<wide_int_storage> const&,
generic_wide_int<wide_int_storage> const&) const
../../trunk.git/gcc/range-op.cc:1836
The bug first seems to occur sometime between git hash 415f9ee404dc9e8a
and 4a2007594cff78fb, a distance of 22 commits.
