http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46465
Summary: ICE: in calc_dfs_tree, at dominance.c:394 with -Os
-fno-rerun-cse-after-loop -fno-tree-ccp
-fno-tree-copy-prop -fno-tree-dce
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 22384
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22384
reduced testcase (from gcc.c-torture/compile/20050510-1.c)
This happens even after fixing PR46183.
Compiler output:
$ gcc -Os -fno-rerun-cse-after-loop -fno-tree-ccp -fno-tree-copy-prop
-fno-tree-dce pr46465.c
pr46465.c: In function 'foo':
pr46465.c:7:1: 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:
r166703 - crash
4.5 r166509 - crash
4.4 r166509 - crash
