gcc/testsuite/gcc.dg/pr34088.c

   1 /* PR middle-end/34088 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -Wall -Werror" } */
   4
   5 int F0 (int);
   6 int F1 (int t) { return F0(t); }
   7 int F2 (int t) { return F0(t); }
   8
   9 extern int X[];
  10 static inline int foo(int i)
  11 {
  12   return X[i];
  13 }
  14
  15 int bar(int* p)
  16 {
  17   int i;
  18
  19   while ( ({ if (foo(*p) && foo(*p)); p; }) );
  20
  21   return i;     /* { dg-error "is used uninitialized" } */
  22 }
  23
  24 /* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */