1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/abi/bitfield2.C b/gcc-4.9/gcc/testsuite/g++.dg/abi/bitfield2.C
new file mode 100644
index 000000000..452861ec2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/abi/bitfield2.C
@@ -0,0 +1,34 @@
+// { dg-do run }
+// { dg-options "-ansi -pedantic-errors -fsigned-bitfields" }
+
+// Copyright (C) 2001 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 15 Dec 2001 <nathan@codesourcery.com>
+
+typedef int Int;
+typedef signed int SInt;
+typedef unsigned int UInt;
+
+struct A
+{
+  SInt bitS : 1;	// signed
+  UInt bitU : 1;	// unsigned
+  Int bit : 1;		// signedness by -f{signed,unsigned}-bitfields
+};
+
+int main ()
+{
+  A a;
+
+  a.bitS = 1; // { dg-warning "overflow" }
+  a.bitU = 1;
+  a.bit = 1;  // { dg-warning "overflow" }
+
+  if (a.bitS != -1)
+    return 1;
+  if (a.bitU != 1)
+    return 2;
+  if (a.bit != -1)
+    return 3;
+
+  return 0;
+}