http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46233
Summary: [4.6 Regression] ICE: verify_flow_info failed: control
flow in the middle of basic block 3 with
-foptimize-sibling-calls
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: [email protected]
ReportedBy: [email protected]
Created attachment 22200
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22200
reduced testcase
Compiler output:
$ gcc -O -foptimize-sibling-calls pr46233.c
pr46233.c: In function 'foo':
pr46233.c:5:1: error: control flow in the middle of basic block 3
pr46233.c:5:1: internal compiler error: verify_flow_info failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r166029 - crash
r161659 - crash
r159696 - OK