gcc/testsuite/gcc.dg/init-bad-2.c

   1 /* Test diagnostics for various bad initializers.  Test cases with
   2    standard syntax with -pedantic.  */
   3 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   4 /* { dg-do compile } */
   5 /* { dg-options "-std=gnu99 -pedantic" } */
   6
   7 void f(void);
   8 void g(void) = f; /* { dg-error "function 'g' is initialized like a variable" } */
   9
  10 void h(a)
  11      int a = 1; /* { dg-error "parameter 'a' is initialized" } */
  12 {
  13   struct s x = { 0 }; /* { dg-error "variable 'x' has initializer but incomplete type" } */
  14   /* { dg-warning "excess elements|near init" "near" { target *-*-* } 13 } */
  15   /* { dg-error "storage size" "size" { target *-*-* } 13 } */
  16 }
  17
  18 char s[1] = "x";
  19 char s1[1] = { "x" };
  20 char t[1] = "xy"; /* { dg-warning "initializer-string for array of chars is too long" } */
  21 char t1[1] = { "xy" }; /* { dg-warning "initializer-string for array of chars is too long" } */
  22 char u[1] = { "x", "x" }; /* { dg-error "excess elements in char array initializer" } */
  23 /* { dg-error "near init" "near" { target *-*-* } 22 } */
  24
  25 int j = { 1 };
  26
  27 int k = { 1, 2 }; /* { dg-warning "excess elements in scalar initializer" } */
  28 /* { dg-warning "near init" "near" { target *-*-* } 27 } */
  29
  30 int a1[1] = { [1] = 0 }; /* { dg-error "array index in initializer exceeds array bounds" } */
  31 /* { dg-error "near init" "near" { target *-*-* } 30 } */
  32 int a2[1] = { [-1] = 0 }; /* { dg-error "array index in initializer exceeds array bounds" } */
  33 /* { dg-error "near init" "near" { target *-*-* } 32 } */