gcc/testsuite/gcc.dg/fold-alloca-1.c


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/* { dg-do compile } */
/* { dg-options "-fdump-tree-cfg" } */

void *alloca (__SIZE_TYPE__);
void link_error ();

int main (int argc, char *argv[]) {
	char *foo;
	if ((foo = alloca(argc)) == 0)
	  link_error ();
	return 0;
}
/* { dg-final { scan-tree-dump-times "link_error" 0 "cfg" } } */
/* { dg-final { cleanup-tree-dump "cfg" } } */