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[Bug rtl-optimization/46171] New: [4.6 Regression] ICE: in gen_rtx_SUBREG, at emit-rtl.c:774 with -fno-tree-dce -g
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 25 Oct 2010 20:54:04 +0000
- Subject: [Bug rtl-optimization/46171] New: [4.6 Regression] ICE: in gen_rtx_SUBREG, at emit-rtl.c:774 with -fno-tree-dce -g
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46171
Summary: [4.6 Regression] ICE: in gen_rtx_SUBREG, at
emit-rtl.c:774 with -fno-tree-dce -g
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 22151
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22151
reduced testcase
Compiler output:
$ gcc -O -fno-tree-dce -g pr46171.c
pr46171.c: In function 'foo':
pr46171.c:8:1: internal compiler error: in gen_rtx_SUBREG, at emit-rtl.c:774
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r165915 - crash
r165699 - crash
r163636 - OK
4.5 r165781 - OK