ref: 2d455f13954cd94ae98ed346bb7da23d579ad6d7
dir: /tests/execute/0032-indec.c/
int zero() { return 0; } int one() { return 1; } int main() { int x; int y; x = zero(); y = ++x; if (x != 1) return 1; if (y != 1) return 1; x = one(); y = --x; if (x != 0) return 1; if (y != 0) return 1; x = zero(); y = x++; if (x != 1) return 1; if (y != 0) return 1; x = one(); y = x--; if (x != 0) return 1; if (y != 1) return 1; return 0; }