https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119778
Sam James <sjames at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |13.3.1, 14.2.1, 15.0
Known to work| |11.5.0, 12.4.1
--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
```
$ g++ a.cxx -O2 -Wall -O2
during GIMPLE pass: uninit
a.cxx: In member function ‘void tac::f()’:
a.cxx:10:10: internal compiler error: Segmentation fault
10 | void f() {
| ^
0x59bdb61cd886 internal_error(char const*, ...)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic-global-context.cc:517
0x59bdb59619c2 crash_signal
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/toplev.cc:323
0x78c18321fdbf ???
/usr/src/debug/sys-libs/glibc-2.41.9999/glibc-2.41.9999/signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0
0x59bdb5640fc0 gimple_code(gimple const*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple.h:1844
0x59bdb5640fc0 predicate::init_from_control_deps(vec<edge_def*, va_heap,
vl_ptr> const*, unsigned int, bool)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-predicate-analysis.cc:1818
0x59bdb6ecc244 uninit_analysis::init_use_preds(predicate&, basic_block_def*,
basic_block_def*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-predicate-analysis.cc:2045
0x59bdb6ecbf6e uninit_analysis::is_use_guarded(gimple*, basic_block_def*,
gphi*, unsigned int, hash_set<gphi*, false, default_hash_traits<gphi*> >*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-predicate-analysis.cc:2200
0x59bdb6ecbec3 uninit_analysis::is_use_guarded(gimple*, basic_block_def*,
gphi*, unsigned int)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-predicate-analysis.cc:2249
0x59bdb6ecbb4e find_uninit_use
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-ssa-uninit.cc:1273
0x59bdb67cbb03 warn_uninitialized_phi
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-ssa-uninit.cc:1343
0x59bdb67cbb03 execute_late_warn_uninitialized
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-ssa-uninit.cc:1462
0x59bdb67cbb03 execute
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-ssa-uninit.cc:1479
```
