gcc/testsuite/gcc.dg/diagnostic-tree-expr-ranges-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wuninitialized -fdiagnostics-show-caret" } */
   3
   4 int test_uninit_1 (void)
   5 {
   6   int result;
   7   return result;  /* { dg-warning "uninitialized" } */
   8 /* { dg-begin-multiline-output "" }
   9    return result;
  10           ^~~~~~
  11    { dg-end-multiline-output "" } */
  12 }
  13
  14 int test_uninit_2 (void)
  15 {
  16   int result;
  17   result += 3; /* { dg-warning "uninitialized" } */
  18 /* { dg-begin-multiline-output "" }
  19    result += 3;
  20    ~~~~~~~^~~~
  21    { dg-end-multiline-output "" } */
  22   return result;
  23 }