1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/wtr-union-init-1.c b/gcc/testsuite/gcc.dg/wtr-union-init-1.c
new file mode 100644
index 000000000..b6a814d7a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/wtr-union-init-1.c
@@ -0,0 +1,25 @@
+/* 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 };
+}