ref: 6feb1fb73a0c6e3127ab58f82d4673f3aba2c06c dir: /test/asm/trimmed-macro-args.out/
3: "a" 2: "b" 1: "c" 3: "a" 2: "b" 1: "c" 3: "a" 2: " b" 1: "c"