ref: 994751d39485e086ef623f202fb1b84729fd5d19
dir: /tests/cc/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 2; x = one(); y = --x; if (x != 0) return 3; if (y != 0) return 4; x = zero(); y = x++; if (x != 1) return 5; if (y != 0) return 6; x = one(); y = x--; if (x != 0) return 7; if (y != 1) return 8; return 0; }