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         |
  17         __m128
  18 { dg-end-multiline-output "" } */
  19
  20
  21 }
  22
  23 struct s {};
  24 struct t {};
  25 extern struct s some_function (void);
  26 extern struct t some_other_function (void);
  27
  28 int test_2 (void)
  29 {
  30   return (some_function ()
  31           + some_other_function ()); /* { dg-error "invalid operands to binary \+" } */
  32
  33 /* { dg-begin-multiline-output "" }
  34    return (some_function ()
  35            ~~~~~~~~~~~~~~~~
  36            |
  37            struct s
  38     + some_other_function ());
  39     ^ ~~~~~~~~~~~~~~~~~~~~~~
  40       |
  41       struct t
  42    { dg-end-multiline-output "" } */
  43 }
  44
  45 int test_3 (struct s param_s, struct t param_t)
  46 {
  47   return param_s + param_t; // { dg-error "invalid operands to binary \+" }
  48
  49 /* { dg-begin-multiline-output "" }
  50    return param_s + param_t;
  51                   ^
  52    { dg-end-multiline-output "" } */
  53 /* TODO: ideally we'd underline both params here.  */
  54 }
  55
  56 typedef struct s S;
  57 typedef struct t T;
  58
  59 extern S callee_4a (void);
  60 extern T callee_4b (void);
  61
  62 int test_4 (void)
  63 {
  64   return callee_4a () + callee_4b (); /* { dg-error "invalid operands to binary \+" } */
  65
  66 /* { dg-begin-multiline-output "" }
  67    return callee_4a () + callee_4b ();
  68           ~~~~~~~~~~~~ ^ ~~~~~~~~~~~~
  69           |              |
  70           |              T {aka struct t}
  71           S {aka struct s}
  72    { dg-end-multiline-output "" } */
  73 }
  74