https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107300
Bug ID: 107300
Summary: ICE: verify_ssa failed (error: virtual definition of
statement not up to date)
Product: gcc
Version: 13.0
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
Target Milestone: ---
gcc 13.0.0 20221016 snapshot (g:6366e3e8847af98d4728d55951534769d034d02a) ICEs
when compiling the following testcase, reduced from
gcc/testsuite/gcc.c-torture/execute/pr81281.c, w/ -O2 -fipa-cp-clone
-funreachable-traps -fno-inline:
void
bar (int x, int y)
{
if (x)
__builtin_unreachable ();
if (y)
__builtin_abort ();
}
void
foo (void)
{
bar (0, 0);
}
% gcc-13 -O2 -fipa-cp-clone -funreachable-traps -fno-inline -c bppprfmm.c
bppprfmm.c: In function 'bar.constprop':
bppprfmm.c:2:1: error: virtual definition of statement not up to date
2 | bar (int x, int y)
| ^~~
__builtin_trap ();
during GIMPLE pass: fixup_cfg
bppprfmm.c:2:1: internal compiler error: verify_ssa failed
0x1155fd5 verify_ssa(bool, bool)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/tree-ssa.cc:1211
0xe0737d execute_function_todo
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/passes.cc:2098
0xe077ae execute_todo
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/passes.cc:2145
