https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82201
Bug ID: 82201
Summary: [8 Regression] ICE in VN_INFO, at tree-ssa-sccvn.c:387
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Target Milestone: ---
Starting from r251650 we ICE on:
g++ /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/torture/pr65626.C -O2
-fno-tree-forwprop -c
during GIMPLE pass: fre
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/torture/pr65626.C: In member
function ‘void B::m_fn3(const A&, const int&, const C&, int&) const’:
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/torture/pr65626.C:19:1:
internal compiler error: in VN_INFO, at tree-ssa-sccvn.c:387
}
^
0x1024d9b VN_INFO(tree_node*)
../../gcc/tree-ssa-sccvn.c:387
0xffde75 eliminate_avail
../../gcc/tree-ssa-pre.c:4099
0x1000247 eliminate_dom_walker::before_dom_children(basic_block_def*)
../../gcc/tree-ssa-pre.c:4584
0x15a0c7a dom_walker::walk(basic_block_def*)
../../gcc/domwalk.c:291
0xfff47b eliminate
../../gcc/tree-ssa-pre.c:4803
0xfff54e execute
../../gcc/tree-ssa-pre.c:5160
