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[Bug c/71801] New: ice in fix_debug_reg_uses
- From: "dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 07 Jul 2016 19:59:30 +0000
- Subject: [Bug c/71801] New: ice in fix_debug_reg_uses
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71801
Bug ID: 71801
Summary: ice in fix_debug_reg_uses
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 38858
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38858&action=edit
C source code
The attached code, when compiled by gcc trunk dated 20160706, and
compiler flags -g -O2, does this:
$ ../results/bin/gcc -c -O2 -g bug296.c
bylabel.c: In function ‘uuidcache_init’:
bylabel.c:197:1: internal compiler error: in fix_debug_reg_uses, at
config/i386/i386.c:3818
0xfa7d15 timode_scalar_chain::fix_debug_reg_uses(rtx_def*)
../../src/trunk/gcc/config/i386/i386.c:3817
0xfaba12 timode_scalar_chain::fix_debug_reg_uses(rtx_def*)
../../src/trunk/gcc/config/i386/i386.c:3799
0xfaba12 timode_scalar_chain::convert_insn(rtx_insn*)
../../src/trunk/gcc/config/i386/i386.c:3844
0xfd1b10 scalar_chain::convert()
../../src/trunk/gcc/config/i386/i386.c:3932