https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65600
Bug ID: 65600
Summary: [5 Regression] bost testsuite failure: ICE:
Segmentation fault
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org
Host: powerpc64le-unknown-linux-gnu
Target: powerpc64le-unknown-linux-gnu
Build: powerpc64le-unknown-linux-gnu
Running the boost testsuite on ppc64le shows:
trippels@gcc2-power8 tools % cat weak_ptr_move_test.ii
class A {
public:
virtual void m_fn1() {}
int weak_release___trans_tmp_1;
void m_fn2() {
__asm__("0\n\tlwarx %2\n\taddi 1\n\tstwcx. %2\n\tbne 0b\n\tisync");
if (weak_release___trans_tmp_1)
m_fn1();
}
};
class weak_count {
A *pi_;
public:
weak_count() : pi_() {}
~weak_count() {
if (pi_)
pi_->m_fn2();
}
};
class B {
weak_count pn;
};
int
main() { B a; }
trippels@gcc2-power8 tools % g++ -O2 -std=c++11 weak_ptr_move_test.ii
weak_ptr_move_test.ii:25:15: internal compiler error: Segmentation fault
main() { B a; }
^
0x10a1f773 crash_signal
../../gcc/gcc/toplev.c:383
0x1053958c symtab_node::semantically_equivalent_p(symtab_node*)
../../gcc/gcc/symtab.c:1631
0x10547177 cgraph_edge::resolve_speculation(tree_node*)
../../gcc/gcc/cgraph.c:1169
0x107e7653 redirect_to_unreachable
../../gcc/gcc/ipa-inline-analysis.c:771
0x107e7653 edge_set_predicate
../../gcc/gcc/ipa-inline-analysis.c:797
0x107ec4b3 remap_edge_summaries
../../gcc/gcc/ipa-inline-analysis.c:3506
0x107eefef inline_merge_summary(cgraph_edge*)
../../gcc/gcc/ipa-inline-analysis.c:3653
0x11079ed7 inline_call(cgraph_edge*, bool, vec<cgraph_edge*, va_heap, vl_ptr>*,
int*, bool, bool*)
../../gcc/gcc/ipa-inline-transform.c:357
0x1107085b inline_small_functions
../../gcc/gcc/ipa-inline.c:1949
0x1107085b ipa_inline
../../gcc/gcc/ipa-inline.c:2352
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
