gcc/testsuite/gcc.dg/pr46674.c

   1 /* { dg-do compile } */
   2 /* { dg-require-alias "" } */
   3 /* { dg-options "-O2" } */
   4
   5 #define LABEL3(pfx, x) # pfx x
   6 #define LABEL2(pfx, x) LABEL3(pfx, x)
   7 #define LABEL(x) LABEL2(__USER_LABEL_PREFIX__, x)
   8
   9 int yum;
  10 void dessert (void) { ++yum; }
  11 extern void jelly (void) __asm__ (LABEL ("jelly2")) __attribute__ ((alias ("dessert"), weak));
  12 extern void wobbly (void) __attribute__ ((alias ("jelly2"), weak));
  13
  14 /* { dg-final { scan-assembler "wobbly" } } */
  15 /* { dg-final { scan-assembler "jelly2" } } */