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/* Test for -Wtraditional warnings on union initialization.

   Note, gcc should omit these warnings in system header files.

   By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 9/11/2000.  */

/* { dg-do compile } */

/* { dg-options "-Wtraditional" } */

struct bar

{

  int i;

  long j;

};

union foo

{

  struct bar b;

  int i;

  long l;

};

union foo2

{

  int i;

  long l;

};

struct baz

{

  int a;

  double b;

  union foo c;

};

struct baz2

{

  int a;

  double b;

  union foo2 c;

};

void

testfunc ()

{

  /* Note we only warn for nonzero initializers.  Xfail on substructures. */

  static union foo f1 = {{0,0}}; /* { dg-bogus "traditional C rejects initialization of unions" "initialization of unions" { xfail *-*-* } } */

  static union foo f2 = {{1,1}}; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */

  static struct baz f3 = { 1, 2, {{0,0}} }; /* { dg-bogus "traditional C rejects initialization of unions" "initialization of unions" { xfail *-*-* } } */

  static struct baz f4 = { 1, 2, {{1,1}} }; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */

  static struct baz2 f5 = { 1, 2, {0} };

  static struct baz2 f6 = { 1, 2, {1} }; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */

# 54 "sys-header.h" 3

/* We are in system headers now, no -Wtraditional warnings should issue.  */

  static union foo b1 = {{0,0}};

  static union foo b2 = {{1,1}};

  static struct baz b3 = { 1, 2, {{0,0}} };

  static struct baz b4 = { 1, 2, {{1,1}} };

  static struct baz2 b5 = { 1, 2, {0} };

  static struct baz2 b6 = { 1, 2, {1} };

}