ref: 98a6dffbca71cf33225e07014c1c1793e45c8e00 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"