| # RUN: not llvm-mc -triple x86_64 %s -o /dev/null 2>&1 | FileCheck %s | |
| ## This also tests that we don't assert due to an active macro instantiation. | |
| # CHECK: <instantiation>:4:1: error: unmatched .ifs or .elses | |
| .macro macro parameter=0 | |
| .if \parameter | |
| .else | |
| .endm | |
| macro 1 | |