gcc/testsuite/gcc.dg/uninit-pr55060.c

   1 /* PR tree-optimization/55060 - False un-initialized variable warnings
   2    { dg-do compile }
   3    { dg-options "-O1 -Wuninitialized" } */
   4
   5 static void a(int *i) { }
   6 static void b(int p) { }
   7 int foo(void) {
   8   int i;
   9   a(&i);
  10   b(i);             // { dg-bogus "\\\[-Wuninitialized" }
  11   return 0;
  12 }
  13
  14 static void c(int *i) { }
  15 extern void d(int p);
  16 int bar(void) {
  17   int i;
  18   c(&i);
  19   d(i);             // { dg-warning "\\\[-Wuninitialized" }
  20   return 0;
  21 }
  22
  23 extern void e(int *i);
  24 static void f(int p) {};
  25 int baz(void) {
  26   int i;
  27   e(&i);
  28   f(i);             // { dg-bogus "\\\[-Wuninitialized" }
  29   return 0;
  30 }