gcc/testsuite/gcc.dg/pr86058.c

   1 /* PR middle-end/86058 - TARGET_MEM_REF causing incorrect message for
   2    -Wmaybe-uninitialized warning
   3    The test fails on a number of non-x86 targets due to pr100073.
   4    { dg-do compile { target i?86-*-* x86_64-*-* } }
   5    { dg-options "-O2 -Wuninitialized -Wmaybe-uninitialized" } */
   6
   7 extern void foo (int *);
   8
   9 void zip (int *out, int indx)
  10 {
  11   int arr[10];
  12
  13   for (int i = 0; i < indx; ++i)
  14     out[i] = arr[i] + 1;  // { dg-warning "'arr\\\[i]' may be used uninitialized" "pr99944" { xfail *-*-* } }
  15                           // { dg-warning "'arr' may be used uninitialized" "actual" { target *-*-* } .-1 }
  16
  17   foo (arr);
  18   foo (out);
  19 }