gcc/testsuite/gcc.dg/plugin/diagnostic-test-inlining-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wno-attributes -fdiagnostics-show-caret" } */
   3
   4 extern void __emit_warning (const char *message);
   5
   6 #define INNER_WARNING(MSG) __emit_warning (MSG)
   7
   8 #define OUTER_WARNING(MSG) INNER_WARNING (MSG)
   9
  10 __attribute__((always_inline))
  11 static void foo (void)
  12 {
  13   OUTER_WARNING ("message");
  14 }
  15
  16 __attribute__((always_inline))
  17 static void bar (void)
  18 {
  19   foo ();
  20 }
  21
  22 int main()
  23 {
  24   bar ();
  25   return 0;
  26 }
  27
  28 /* Verify that the diagnostic subsytem describes both the chains of
  29    inlining and of macro expansion when reporting the warning.  */
  30
  31 /* { dg-regexp "In function 'foo'," "" } */
  32 /* { dg-regexp "    inlined from 'bar' at .+/diagnostic-test-inlining-2.c:19:3," "" } */
  33 /* { dg-regexp "    inlined from 'main' at .+/diagnostic-test-inlining-2.c:24:3:" "" } */
  34 /* { dg-warning "28: message" "" { target c } 6 } */
  35 /* { dg-begin-multiline-output "" }
  36  #define INNER_WARNING(MSG) __emit_warning (MSG)
  37                             ^~~~~~~~~~~~~~~~~~~~
  38    { dg-end-multiline-output "" } */
  39 /* { dg-message "28: in expansion of macro 'INNER_WARNING'" "" { target c } 8 } */
  40 /* { dg-begin-multiline-output "" }
  41  #define OUTER_WARNING(MSG) INNER_WARNING (MSG)
  42                             ^~~~~~~~~~~~~
  43    { dg-end-multiline-output "" } */
  44 /* { dg-message "3: in expansion of macro 'OUTER_WARNING'" "" { target c } 13 } */
  45 /* { dg-begin-multiline-output "" }
  46    OUTER_WARNING ("message");
  47    ^~~~~~~~~~~~~
  48    { dg-end-multiline-output "" } */