gcc/testsuite/g++.dg/diagnostic/bad-binary-ops.C

// { dg-options "-fdiagnostics-show-caret" }

// Adapted from https://gcc.gnu.org/wiki/ClangDiagnosticsComparison

typedef float __m128;
void test_1 ()
{
  __m128 myvec[2];
  int const *ptr;
  myvec[1] / ptr; // { dg-error "invalid operands" }

/* { dg-begin-multiline-output "" }
   myvec[1] / ptr;
   ~~~~~~~~ ^ ~~~
          |   |
          |   const int*
          __m128 {aka float}
   { dg-end-multiline-output "" } */
}

struct s {};
struct t {};
extern struct s some_function (void);
extern struct t some_other_function (void);

int test_2 (void)
{
  return (some_function ()
	  + some_other_function ()); // { dg-error "no match for .operator" }

/* { dg-begin-multiline-output "" }
   return (some_function ()
           ~~~~~~~~~~~~~~~~
                         |
                         s
           + some_other_function ());
           ^ ~~~~~~~~~~~~~~~~~~~~~~
                                 |
                                 t
   { dg-end-multiline-output "" } */
}

int test_3 (struct s param_s, struct t param_t)
{
  return param_s && param_t; // { dg-error "no match for .operator" }

/* { dg-begin-multiline-output "" }
   return param_s && param_t;
          ~~~~~~~ ^~ ~~~~~~~
          |          |
          s          t
   { dg-end-multiline-output "" } */
/* { dg-begin-multiline-output "" }
   return param_s && param_t;
          ~~~~~~~~^~~~~~~~~~
   { dg-end-multiline-output "" } */
}

namespace ns_4
{
  struct s foo;
  namespace inner {
    struct t bar;
  };
};

int test_4a (void)
{
  return ns_4::foo && ns_4::inner::bar; // { dg-error "no match for .operator" }
  /* { dg-begin-multiline-output "" }
   return ns_4::foo && ns_4::inner::bar;
          ~~~~~~~~~ ^~ ~~~~~~~~~~~~~~~~
                |                   |
                s                   t
     { dg-end-multiline-output "" } */

  /* { dg-begin-multiline-output "" }
   return ns_4::foo && ns_4::inner::bar;
          ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
     { dg-end-multiline-output "" } */
}

int test_4b (void)
{
  return ::ns_4::foo && ns_4::inner::bar; // { dg-error "no match for .operator" }
  /* { dg-begin-multiline-output "" }
   return ::ns_4::foo && ns_4::inner::bar;
          ~~~~~~~~~~~ ^~ ~~~~~~~~~~~~~~~~
                  |                   |
                  s                   t
     { dg-end-multiline-output "" } */

  /* { dg-begin-multiline-output "" }
   return ::ns_4::foo && ns_4::inner::bar;
          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
     { dg-end-multiline-output "" } */
}