| // RUN: not llvm-mc -triple x86_64-apple-darwin10 %s -filetype=obj -o - 2> %t.err > %t | |
| // RUN: FileCheck --check-prefix=CHECK-ERROR < %t.err %s | |
| _Z: | |
| .long (_a+4)-_Z | |
| // CHECK-ERROR: error: unsupported relocation with subtraction expression, symbol '_a' can not be undefined in a subtraction expression |