-; RUN: not llvm-as 2>&1 < %s > /dev/null &&
-; RUN: llvm-as 2>&1 < %s > /dev/null | \
-; RUN: grep 'Cannot form a pointer to a basic block'
+; RUN: not llvm-as < %s > /dev/null 2> %t
+; RUN: FileCheck %s --input-file=%t
+; CHECK: basic block pointers are invalid