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/* Test for compound literals: in C99 only.  Test for invalid uses.  */
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
/* { dg-do compile } */
/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
 
struct s { int a; int b; };
union u { int c; int d; };
 
struct si;
union ui;
 
void
foo (int a)
{
  /* The type name must not be incomplete (apart from arrays of unknown
     size), or a function type, or a VLA type.  */
  (void) { 1 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "void type" { target *-*-* } 17 } */
  &(struct si) { 1 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "incomplete struct type" { target *-*-* } 19 } */
  &(union ui) { 1 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "incomplete union type" { target *-*-* } 21 } */
  (void (void)) { 0 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "function type" { target *-*-* } 23 } */
  (int [a]) { 1 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init|variable" "VLA type" { target *-*-* } 25 } */
  /* Initializers must not attempt to initialize outside the object
     declared.  */
  (int [1]) { [1] = 2 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "value outside array" { target *-*-* } 29 } */
  (int [1]) { [-1] = 2 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "value outside array" { target *-*-* } 31 } */
  (int [1]) { 0, 1 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "value outside array" { target *-*-* } 33 } */
}
 
int z;
 
/* Outside a function, initializers must be constant.  */
struct s *s0 = &(struct s) { 0, z }; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "init" "non-const" { target *-*-* } 40 } */
int sz = sizeof((struct s) { 0, z }); /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "init" "non-const" { target *-*-* } 42 } */
 
/* Compound literals aren't themselves constant expressions.  */
int x = (int) { 0 }; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "init" "non-const" { target *-*-* } 46 } */
 
/* Nor are they suitable structure or union initializers
   outside a function.  */
struct s s1 = (struct s) { 0, 1 }; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "init" "struct bad init" { target *-*-* } 51 } */
union u u1 = (union u) { 0 }; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "init" "union bad init" { target *-*-* } 53 } */
 
/* They aren't suitable for array initializers, either inside or outside
   a function.  */
int y[2] = (int [2]) { 0, 1 }; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "init" "array bad init" { target *-*-* } 58 } */
 
void
bar (void)
{
  struct s s2 = (struct s) { 0, 1 };
  union u u2 = (union u) { 0 };
  int z[2] = (int [2]) { 0, 1 }; /* { dg-bogus "warning" "warning in place of error" } */
  /* { dg-error "init" "array bad init" { target *-*-* } 66 } */
}