SOURCE_FILE
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "foo"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        WHITESPACE "\n    "
        EXPR_STMT
          ASM_EXPR
            BUILTIN_KW "builtin"
            POUND "#"
            ASM_KW "asm"
            L_PAREN "("
            WHITESPACE "\n        "
            PATH_EXPR
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "label"
            WHITESPACE " "
            NAME
              IDENT "crashy"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            BLOCK_EXPR
              STMT_LIST
                L_CURLY "{"
                WHITESPACE " "
                EXPR_STMT
                  RETURN_EXPR
                    RETURN_KW "return"
                  SEMICOLON ";"
                WHITESPACE " "
                R_CURLY "}"
            WHITESPACE "\n    "
            R_PAREN ")"
          SEMICOLON ";"
        WHITESPACE "\n"
        R_CURLY "}"
  WHITESPACE "\n"
error 41: expected COMMA
error 50: expected asm operand
