https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98330
Bug ID: 98330
Summary: [11 Regression] ICE in compute_parm_map, at
ipa-modref.c:2900
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: [email protected]
Target Milestone: ---
Changed between 20201018 and 20201108, at -O1+ :
$ cat z1.cc
float a = __builtin_pow[1] (3.0, 2);
$ cat z2.cc
float f (float x)
{
return __builtin_pow[1] (x, 2);
}
$ g++-11-20201213 -c z1.cc -O2
z1.cc:1:26: warning: pointer to a function used in arithmetic [-Wpointer-arith]
1 | float a = __builtin_pow[1] (3.0, 2);
| ^
during IPA pass: modref
z1.cc:1:36: internal compiler error: Segmentation fault
1 | float a = __builtin_pow[1] (3.0, 2);
| ^
0xc8f5ff crash_signal
../../gcc/toplev.c:327
0x8c75f2 symtab_node::ultimate_alias_target(availability*, symtab_node*)
../../gcc/cgraph.h:3182
0x8c75f2 cgraph_node::ultimate_alias_target(availability*, symtab_node*)
../../gcc/cgraph.h:3203
0x8c75f2 cgraph_node::function_or_virtual_thunk_symbol(availability*,
symtab_node*)
../../gcc/cgraph.c:3868
0xaa629a compute_parm_map
../../gcc/ipa-modref.c:2900
0xaa6961 compute_parm_map
../../gcc/ipa-modref.c:2891
0xaa6961 propagate_unknown_call
../../gcc/ipa-modref.c:3271
0xaa8757 modref_propagate_in_scc
../../gcc/ipa-modref.c:3425
0xaa8f7c execute
../../gcc/ipa-modref.c:3833
