1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/wtr-union-init-2.c b/gcc/testsuite/gcc.dg/wtr-union-init-2.c
new file mode 100644
index 000000000..bea26f1bf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/wtr-union-init-2.c
@@ -0,0 +1,45 @@
+/* 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};
+}