gcc/testsuite/gcc.dg/special/gcsec-1.c

   1 /* AIX gld supports garbage collection. But AIX gcc does not support
   2    -ffunction-sections or -fdata-sections.  */
   3 /* { dg-do run { xfail rs6000-*-aix* powerpc*-*-aix* } } */
   4 /* { dg-require-gc-sections "" } */
   5
   6 /* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections" } */
   7 /* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections -static" { target static } } */
   8
   9 #include <stdlib.h>
  10
  11 static int unusedint=5;
  12
  13 static int usedint=1;
  14
  15 int unused(void) {
  16     return 1;
  17 }
  18
  19 int foo(void) {
  20     return usedint;
  21 }
  22
  23 int main(void) {
  24
  25     if (foo())
  26         exit(0);
  27     else
  28         abort();
  29 }