gcc/testsuite/gcc.dg/attr-externally-visible-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fwhole-program" } */
   3
   4 static void foo1 (void) { }                                     /* { dg-warning "have effect only on public" } */
   5 extern void foo1 (void) __attribute__((externally_visible));
   6
   7 void foo2 (void)
   8 {
   9   __attribute__((externally_visible)) void foo3 (void) { }      /* { dg-warning "have effect only on public" } */
  10 }
  11
  12 __attribute__((externally_visible)) static void foo3 (void) { } /* { dg-warning "have effect only on public" } */
  13
  14 static int bar1;
  15 extern int bar1 __attribute__((externally_visible));            /* { dg-warning "have effect only on public" } */
  16
  17 static int bar2 __attribute__((externally_visible));            /* { dg-warning "have effect only on public" } */
  18
  19 void fn1 (void)
  20 {
  21   static int bar3 __attribute__((externally_visible));          /* { dg-warning "have effect only on public" } */
  22 }
  23
  24 void fn2 (void)
  25 {
  26   int bar4 __attribute__((externally_visible));                 /* { dg-warning "have effect only on public" } */
  27 }
  28
  29 struct A
  30 {
  31 } __attribute__((externally_visible));                          /* { dg-warning "does not apply to types" } */
  32
  33 typedef int B __attribute__((externally_visible));              /* { dg-warning "attribute ignored" } */