ref: fb5e768142f85cfef6591627b217d49bb1af903b
dir: /test/asm/label-macro-arg.err/
ERROR: label-macro-arg.asm(44) -> label-macro-arg.asm::test_char(31):
Local label in main scope
while expanding symbol "VAR_DEF"
ERROR: label-macro-arg.asm(44) -> label-macro-arg.asm::test_char(31):
syntax error
while expanding symbol "VAR_DEF"
error: Assembly aborted (2 errors)!