gcc/testsuite/gcc.dg/uninit-19.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -Wuninitialized" } */
   3 /* { dg-additional-options "-finline-small-functions" { target avr-*-* } } */
   4
   5 int a, l, m;
   6 float *b;
   7 float c, d, e, g, h;
   8 unsigned char i, k;
   9 void
  10 fn1 (int p1, float *f1, float *f2, float *f3, unsigned char *c1, float *f4,
  11      unsigned char *c2, float *p10)
  12 {
  13   if (p1 & 8)
  14     b[3] = p10[a];
  15   /* { dg-warning "may be used uninitialized" "" { target { { nonpic } || { hppa*64*-*-* } } } .-1 } */
  16 }
  17
  18 void
  19 fn2 ()
  20 {
  21   float *n;
  22   if (l & 6)
  23     n = &c + m;
  24   fn1 (l, &d, &e, &g, &i, &h, &k, n);
  25   /* { dg-warning "may be used uninitialized" "" { target { ! { { nonpic } || { hppa*64*-*-* } } } } .-1 } */
  26 }