gcc/testsuite/gcc.dg/bad-binary-ops.c

   1 /* { dg-options "-fdiagnostics-show-caret" } */
   2
   3 /* Adapted from https://gcc.gnu.org/wiki/ClangDiagnosticsComparison */
   4
   5 typedef float __m128;
   6 void test_1 ()
   7 {
   8   __m128 myvec[2];
   9   int const *ptr;
  10   myvec[1]/ptr; /* { dg-error "invalid operands to binary /" } */
  11
  12 /* TODO: ideally we'd underline "ptr" as well.
  13 { dg-begin-multiline-output "" }
  14    myvec[1]/ptr;
  15    ~~~~~~~~^
  16 { dg-end-multiline-output "" } */
  17
  18
  19 }
  20
  21 struct s {};
  22 struct t {};
  23 extern struct s some_function (void);
  24 extern struct t some_other_function (void);
  25
  26 int test_2 (void)
  27 {
  28   return (some_function ()
  29           + some_other_function ()); /* { dg-error "invalid operands to binary \+" } */
  30
  31 /* { dg-begin-multiline-output "" }
  32    return (some_function ()
  33            ~~~~~~~~~~~~~~~~
  34     + some_other_function ());
  35     ^ ~~~~~~~~~~~~~~~~~~~~~~
  36    { dg-end-multiline-output "" } */
  37 }
  38
  39 int test_3 (struct s param_s, struct t param_t)
  40 {
  41   return param_s + param_t; // { dg-error "invalid operands to binary \+" }
  42
  43 /* { dg-begin-multiline-output "" }
  44    return param_s + param_t;
  45                   ^
  46    { dg-end-multiline-output "" } */
  47 /* TODO: ideally we'd underline both params here.  */
  48 }