-; RUN: not llvm-as < %s > /dev/null |& grep {basic block pointers are invalid}
+; RUN: not llvm-as < %s > /dev/null 2> %t
+; RUN: FileCheck %s --input-file=%t
+; CHECK: basic block pointers are invalid
define i32 @main() {
%foo = call i8* %llvm.stacksave()