It’s not the only one it uses. It also removes calls to printf("") and changes single character printf calls to putchar calls See https://github.com/gcc-mirro

It’s not the only one it uses. It also removes calls to printf("") and changes single character printf calls to putchar calls See https://github.com/gcc-mirror/gcc/blob/ef32bd8c866a1b8a97f627fad44a42f29757c816/gcc/gimple-fold.cc#L4041 https://github.com/gcc-mirror/gcc/blob/ef32bd8c866a1b8a97f62...