Make Decl::isOutOfLine() virtual, and use that to determine when definitions

are for out of line declarations more easily. This simplifies the logic and
handles the case of out-of-line class definitions correctly. Fixes PR6107.

llvm-svn: 96729

1 files changed, 25 insertions, 0 deletions

diff --git a/clang/test/CXX/class/class.nest/p3.cpp b/clang/test/CXX/class/class.nest/p3.cpp
new file mode 100644
index 00000000000..c4c4ca7e094
--- /dev/null
+++ b/clang/test/CXX/class/class.nest/p3.cpp
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// C++0x [class.nest] p3:
+//   If class X is defined in a namespace scope, a nested class Y may be
+//   declared in class X and later defined in the definition of class X or be
+//   later defined in a namespace scope enclosing the definition of class X.
+
+namespace example {
+  class E {
+    class I1;
+    class I2;
+    class I1 { };
+  };
+  class E::I2 { };
+}
+
+// Don't insert out-of-line inner class definitions into the namespace scope.
+namespace PR6107 {
+  struct S1 { };
+  struct S2 {
+    struct S1;
+  };
+  struct S2::S1 { };
+  S1 s1;
+}