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_1;     /* { dg-message "declared here" } */
   7   return result_1;  /* { dg-warning "uninitialized" } */
   8   /* { dg-begin-multiline-output "" }
   9    return result_1;
  10           ^~~~~~~~
  11    int result_1;
  12        ^~~~~~~~
  13    { dg-end-multiline-output "" } */
  14 }
  15
  16 int test_uninit_2 (void)
  17 {
  18   int result_2;     /* { dg-message "declared here" } */
  19   result_2 += 3;    /* { dg-warning "uninitialized" } */
  20   /* { dg-begin-multiline-output "" }
  21    result_2 += 3;
  22    ~~~~~~~~~^~~~
  23    int result_2;
  24        ^~~~~~~~
  25    { dg-end-multiline-output "" } */
  26   return result_2;
  27 }