https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67816
Bug ID: 67816
Summary: [6 Regression] ICE in duplicate_thread_path,
186.crafty fails to build
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
CC: law at gcc dot gnu.org
Target Milestone: ---
iterate.c: In function 'Iterate':
iterate.c:17:5: internal compiler error: in duplicate_thread_path, at
tree-ssa-threadupdate.c:2446
int Iterate(int wtm, int search_type, int root_list_done)
^
option.c: In function 'Option':
option.c:2772:7: warning: implicit declaration of function 'gets'
[-Wimplicit-function-declaration]
gets(buffer);
^
0xade17f duplicate_thread_path
/gcc/spec/sb-czerny-head-64/gcc/gcc/tree-ssa-threadupdate.c:2445
0xade17f thread_through_all_blocks(bool)
/gcc/spec/sb-czerny-head-64/gcc/gcc/tree-ssa-threadupdate.c:2632
0xa3be28 execute
/gcc/spec/sb-czerny-head-64/gcc/gcc/tree-ssa-dom.c:622
Please submit a full bug report,
with preprocessed source if appropriate.
This is with -O3 on x86_64.
