This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/46183] New: [4.6 Regression] ICE: in calc_dfs_tree, at dominance.c:396 with -O -fno-dse -fgcse -ftree-pre
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 26 Oct 2010 13:35:31 +0000
- Subject: [Bug tree-optimization/46183] New: [4.6 Regression] ICE: in calc_dfs_tree, at dominance.c:396 with -O -fno-dse -fgcse -ftree-pre
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46183
Summary: [4.6 Regression] ICE: in calc_dfs_tree, at
dominance.c:396 with -O -fno-dse -fgcse -ftree-pre
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 22159
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22159
reduced testcase
Compiler output:
$ gcc -O -fno-dse -fgcse -ftree-pre pr46183.c
pr46183.c: In function 'foo':
pr46183.c:16:1: internal compiler error: in calc_dfs_tree, at dominance.c:396
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r165915 - crash
r161659 - crash
r159696 - OK
4.5 r165781 - OK