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/* { dg-do compile } */
/* { dg-options "-fdump-tree-useless" } */
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 "useless" } } */
/* { dg-final { cleanup-tree-dump "useless" } } */
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