[RISC-V] Avoid unnecessary extensions when value is already extended

[official-gcc.git] / gcc / testsuite / c-c++-common / analyzer / pr105783.c

/* { dg-additional-options "-O" } */

#ifndef __cplusplus
typedef _Bool bool;
#endif

struct ss_s {
    union out_or_counting_u {
        char *newstr;
        unsigned long long cnt;
    } uu;
    bool counting;
};

struct ss_s ss_init(void) {
   struct ss_s rr = { .counting = 1 };
   return rr;
}

void ss_out(struct ss_s *t, char cc) {
   if (!t->counting) {
       *t->uu.newstr++ = cc;
   }
}

int main() {
    struct ss_s ss = ss_init();
    ss_out(&ss, 'a');
}