Viewing file:  wtr-union-init-2.c (1.37 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* 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" } */
union foo1
{
float f;
int i;
long l;
};
union foo2
{
int i;
float f;
long l;
};
void
testfunc ()
{
/* Note we only warn for nonzero initializers. */
static union foo1 f1 = {0};
static union foo2 f2 = {0};
static union foo1 f3 = {1}; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
static union foo2 f4 = {1}; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
static union foo1 f5 = {0.0};
static union foo2 f6 = {0.0};
static union foo1 f7 = {1.0}; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
static union foo2 f8 = {1.0}; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
# 35 "sys-header.h" 3
/* We are in system headers now, no -Wtraditional warnings should issue. */
static union foo1 b1 = {0};
static union foo2 b2 = {0};
static union foo1 b3 = {1};
static union foo2 b4 = {1};
static union foo1 b5 = {0.0};
static union foo2 b6 = {0.0};
static union foo1 b7 = {1.0};
static union foo2 b8 = {1.0};
}
|
