rt_gccstream/gcc/testsuite/gcc.dg/wtr-union-init-1.c

26 lines
678 B
C

/* 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> 8/22/2000. */
/* { dg-do compile } */
/* { dg-options "-Wtraditional" } */
union foo
{
int i;
long l;
};
void
testfunc ()
{
/* Note we only warn for nonzero initializers. */
static union foo f1 = { 0 };
static union foo f2 = { 1 }; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
# 21 "sys-header.h" 3
/* We are in system headers now, no -Wtraditional warnings should issue. */
static union foo f3 = { 0 };
static union foo f4 = { 1 };
}