http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46440
Summary: [4.5/4.6 Regression] ICE: in rtl_verify_flow_info, at
cfgrtl.c:2165 with -fstack-protector-all
-fno-tree-dominator-opts -fno-tree-fre
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 22375
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22375
reduced testcase (from gcc.dg/tree-ssa/pr17141-2.c)
Compiler output:
$ gcc -O -fstack-protector-all -fno-tree-dominator-opts -fno-tree-fre pr46440.c
pr46440.c: In function 'foo':
pr46440.c:16:1: error: verify_flow_info: Incorrect fallthru 2->3
pr46440.c:16:1: error: wrong insn in the fallthru edge
(barrier 15 24 33)
pr46440.c:16:1: internal compiler error: in rtl_verify_flow_info, at
cfgrtl.c:2165
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r166509 - crash
r153685 - crash
4.5 r166509 - crash
4.4 r166509 - OK
