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 -static" } */
   7 /* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections -static" { target native } } */
   8 /* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections" { target *-*-netware* } } */
   9
  10 #include <stdlib.h>
  11
  12 static int unusedint=5;
  13
  14 static int usedint=1;
  15
  16 int unused(void) {
  17     return 1;
  18 }
  19
  20 int foo(void) {
  21     return usedint;
  22 }
  23
  24 int main(void) {
  25
  26     if (foo())
  27         exit(0);
  28     else
  29         abort();
  30 }