gcc/testsuite/gcc.dg/Wc90-c99-compat-5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=gnu90 -pedantic-errors -Wno-c90-c99-compat" } */
   3
   4 _Bool b;
   5 _Complex double c = __builtin_complex (0.0, 0.0);
   6 long long l;
   7 struct A { int i; char a[]; };
   8 struct { long int b: 2; } s;
   9 const const int i;
  10 volatile volatile int v;
  11
  12 struct S { int a[2]; };
  13 extern struct S foo (void);
  14
  15 enum { E, };
  16
  17 void fn1 (char [*]);
  18
  19 void
  20 fn2 (char x[static 4])
  21 {
  22   int i = (int) { 1 };
  23   struct A a = { .i = 3 };
  24 }
  25
  26 void
  27 fn3 (int n)
  28 {
  29   n = 3;
  30   int i;
  31 }
  32
  33 void
  34 fn4 (int n)
  35 {
  36   n = 3;
  37   __extension__ int i;
  38 }
  39
  40 void
  41 fn5 (void)
  42 {
  43   (foo ()).a[0];
  44 }
  45
  46 #define F(a) a
  47
  48 void
  49 fn6 (void)
  50 {
  51   F();
  52 }
  53
  54 void fn7 (int n, int a[n]);