gcc/testsuite/gcc.dg/return-type-2.c

   1 /* Bogus warnings claiming we fall off the end of a non-void function.
   2    By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/27/2000.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-O2 -Wreturn-type" } */
   5
   6 extern void abort (void) __attribute__ ((__noreturn__));
   7
   8 int
   9 foo1 (int i)
  10 {
  11   if (i)
  12     return i;
  13
  14   abort ();
  15 } /* { dg-bogus "control reaches end of non-void function" "warning for falling off end of non-void function" } */
  16
  17 __inline__ int
  18 foo2 (int i)
  19 {
  20   if (i)
  21     return i;
  22
  23   abort ();
  24 } /* { dg-bogus "control reaches end of non-void function" "warning for falling off end of non-void function" } */
  25
  26 static int
  27 foo3 (int i)
  28 {
  29   if (i)
  30     return i;
  31
  32   abort ();
  33 } /* { dg-bogus "control reaches end of non-void function" "warning for falling off end of non-void function" } */
  34
  35 static __inline__ int
  36 foo4 (int i)
  37 {
  38   if (i)
  39     return i;
  40
  41   abort ();
  42 } /* { dg-bogus "control reaches end of non-void function" "warning for falling off end of non-void function" } */
  43
  44 int bar (int i)
  45 {
  46   return foo1 (i) + foo2 (i) + foo3 (i) + foo4 (i);
  47 }