1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-and.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-and.C
new file mode 100644
index 0000000..ea86d7b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-and.C
@@ -0,0 +1,20 @@
+// PR c++/56481
+// Non-linearity in potential_constant_expression_1
+// { dg-do compile { target c++11 } }
+
+struct S
+{
+  constexpr bool foo ();
+#define A(n) , f##n##0, f##n##1, f##n##2, f##n##3
+#define B(n) A(n##0) A(n##1) A(n##2) A(n##3)
+#define C B(0) B(1) B(2) B(3)
+  bool f C;
+};
+
+constexpr bool
+S::foo ()
+{
+#undef A
+#define A(n) && f##n##0 && f##n##1 && f##n##2 && f##n##3
+  return f C;
+}