http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55848
Bug #: 55848
Summary: internal compiler error: verify_cgraph_node failed
(with `-flto' and `-fopenmp')
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: ai.az...@gmail.com
Created attachment 29073
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29073
Output of -v option and preprocessed file
The following C++ source code results in an ICE when compiling on GCC 4.8.0
20121230 with `-flto' and `-fopenmp' command-line options.
//--------------------
typedef long unsigned int size_t;
extern "C" {
extern int omp_get_thread_num (void) throw ();
}
extern "C" {
extern int snprintf(char *__restrict __s, size_t __maxlen, const char
*__restrict __format, ...) throw ()
__attribute__ ((__format__ (__printf__, 3, 4)));
}
void f()
{
char msg[1024] = "";
snprintf( msg, sizeof(msg)-1, "[%d] ", omp_get_thread_num() );
}
void g()
{
#pragma omp parallel for
for( int i = 0; i < 0; i += 1 ) {
f();
}
}
//--------------------
Note that the ICE is not reproduced with GCC 4.6.4 20121228 or 4.7.3 20121229.
