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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} };
}
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