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[Bug c/81118] New: ice in remove_redundant_iv_tests
- From: "dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 17 Jun 2017 09:15:18 +0000
- Subject: [Bug c/81118] New: ice in remove_redundant_iv_tests
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81118
Bug ID: 81118
Summary: ice in remove_redundant_iv_tests
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 41576
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41576&action=edit
gzipped C source code
The attached C code, when compiled by today's trunk and compiler flag -O3,
does this:
gui.c: In function ‘parse_slabinfo’:
gui.c:2123:5: internal compiler error: Segmentation fault
0xc4b3af crash_signal
../../trunk/gcc/toplev.c:338
0xdb25ae remove_redundant_iv_tests
../../trunk/gcc/tree-ssa-loop-ivcanon.c:566
0xdb25ae canonicalize_loop_induction_variables
../../trunk/gcc/tree-ssa-loop-ivcanon.c:1191
0xdb4550 canonicalize_induction_variables()
../../trunk/gcc/tree-ssa-loop-ivcanon.c:1222
Please submit a full bug report,
I'll have my usual go at reducing the code and finding a
range of revisions for the bug.