gcc/testsuite/gcc.dg/uninit-C.c

   1 /* Spurious uninitialized variable warning, inspired by libgcc2.c.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -Wuninitialized" } */
   4
   5 /* Not all platforms support TImode integers.  */
   6 #if defined(__LP64__)
   7 typedef int TItype __attribute__ ((mode (TI)));
   8 #else
   9 typedef long TItype;
  10 #endif
  11
  12
  13 TItype
  14 __subvdi3 (TItype a, TItype b)
  15 {
  16   TItype w;
  17
  18   w = a - b;
  19
  20   return w;
  21 }