re PR c++/70528 (bogus error: constructor required before non-static data member)

	PR c++/70528

	* class.c (type_has_constexpr_default_constructor): Return true
	for an implicitly declared constructor.

From-SVN: r235002

5 files changed, 21 insertions, 4 deletions

diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-ctor12.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-ctor12.C
index 45e1ed2..42ca30a 100644
--- a/gcc/testsuite/g++.dg/cpp0x/constexpr-ctor12.C
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-ctor12.C
@@ -3,6 +3,7 @@
 
 template <typename Tp>
 struct C {
+  C() = default;
   constexpr C(const Tp& r) { }
 };
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-default-ctor.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-default-ctor.C
index a67505d..8d352d0 100644
--- a/gcc/testsuite/g++.dg/cpp0x/constexpr-default-ctor.C
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-default-ctor.C
@@ -7,6 +7,6 @@ struct A {
 struct B: A { };
 constexpr int f(B b) { return b.i; }
 
-struct C { C(); };	       // { dg-message "calls non-constexpr" }
-struct D: C { };	       // { dg-message "no constexpr constructor" }
+struct C { C(); };	       // { dg-message "" }
+struct D: C { };	       // { dg-message "" }
 constexpr int g(D d) { return 42; } // { dg-error "invalid type" }
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-ice6.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-ice6.C
index 30e0a64..bf95b24 100644
--- a/gcc/testsuite/g++.dg/cpp0x/constexpr-ice6.C
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-ice6.C
@@ -6,6 +6,6 @@ struct A
   A(int);
 };
 
-struct B : A {};                   // { dg-error "no matching" }
+struct B : A {};                   // { dg-message "" }
 
 constexpr int foo(B) { return 0; } // { dg-error "invalid type" }
diff --git a/gcc/testsuite/g++.dg/cpp0x/inh-ctor19.C b/gcc/testsuite/g++.dg/cpp0x/inh-ctor19.C
index 7a22f88..7e2d58b 100644
--- a/gcc/testsuite/g++.dg/cpp0x/inh-ctor19.C
+++ b/gcc/testsuite/g++.dg/cpp0x/inh-ctor19.C
@@ -8,7 +8,7 @@ struct A
 
 struct B : A
 {
-  using A::A;   // { dg-error "inherited" }
+  using A::A;
 };
 
 constexpr B b;  // { dg-error "literal" }
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr70528.C b/gcc/testsuite/g++.dg/cpp0x/pr70528.C
new file mode 100644
index 0000000..af1c84e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr70528.C
@@ -0,0 +1,16 @@
+// PR c++/70258
+// { dg-do compile { target c++11 } }
+
+template <class T>
+struct H
+{
+  template <typename A = T, typename = decltype (A())>
+  H ();
+};
+
+struct J {
+  struct K {
+    int First = 0;
+  };
+  H<K> FunctionMDInfo;
+};