http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60721
Bug ID: 60721
Summary: xcoral fails to build with LTO: internal compiler
error: verify_flow_info failed
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Keywords: lto
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
Created attachment 32497
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32497&action=edit
testcase
> ./xgcc -B. xcoral.i smac.i -fltoxcoral.c: In function 'main':
xcoral.c:216:2: warning: ignoring return value of 'fgets', declared with
attribute warn_unused_result [-Wunused-result]
xcoral.c:238:3: warning: ignoring return value of 'chdir', declared with
attribute warn_unused_result [-Wunused-result]
xcoral.c:273:2: warning: ignoring return value of 'chdir', declared with
attribute warn_unused_result [-Wunused-result]
Smac/smac.c: In function 'init_smac':
Smac/smac.c:176:8: error: control flow in the middle of basic block 2
Smac/smac.c:176:8: error: control flow in the middle of basic block 5
Smac/smac.c:176:8: internal compiler error: verify_flow_info failed
0x69cff9 verify_flow_info()
/space/rguenther/src/svn/trunk/gcc/cfghooks.c:260
0xb2064a cleanup_tree_cfg_noloop
/space/rguenther/src/svn/trunk/gcc/tree-cfgcleanup.c:746
0xb20716 cleanup_tree_cfg()
/space/rguenther/src/svn/trunk/gcc/tree-cfgcleanup.c:801
0x9ed861 execute_function_todo
