From 2a87046db10851ff1b8e101ecc345657ce663c76 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 10 Dec 2015 09:59:02 -0500
Subject: Output: Skip Typedef elements that refer to rvalue references

The gccxml output format may contain only C++98 constructs.
---
 src/Output.cxx                                     | 7 +++++++
 test/expect/gccxml.any.RValueReferenceType.xml.txt | 6 ++----
 test/input/RValueReferenceType.cxx                 | 4 +++-
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/Output.cxx b/src/Output.cxx
index 43af2e1..811364e 100644
--- a/src/Output.cxx
+++ b/src/Output.cxx
@@ -567,6 +567,13 @@ ASTVisitor::DumpId ASTVisitor::AddDeclDumpNode(clang::Decl const* d,
         }
       }
     }
+
+    if (clang::TypedefDecl const* td =
+        clang::dyn_cast<clang::TypedefDecl>(d)) {
+      if (td->getUnderlyingType()->isRValueReferenceType()) {
+        return DumpId();
+      }
+    }
   }
 
   return this->AddDumpNodeImpl(d, complete);
diff --git a/test/expect/gccxml.any.RValueReferenceType.xml.txt b/test/expect/gccxml.any.RValueReferenceType.xml.txt
index 6899e98..763161e 100644
--- a/test/expect/gccxml.any.RValueReferenceType.xml.txt
+++ b/test/expect/gccxml.any.RValueReferenceType.xml.txt
@@ -1,7 +1,5 @@
 ^<\?xml version="1.0"\?>
 <GCC_XML[^>]*>
-  <Typedef id="_1" name="start" type="_2" context="_3" location="f1:1" file="f1" line="1"/>
-  <Unimplemented id="_2" type_class="RValueReference"/>
-  <Namespace id="_3" name="::"/>
-  <File id="f1" name=".*/test/input/RValueReferenceType.cxx"/>
+  <Namespace id="_1" name="start" context="_2"/>
+  <Namespace id="_2" name="::"/>
 </GCC_XML>$
diff --git a/test/input/RValueReferenceType.cxx b/test/input/RValueReferenceType.cxx
index 44f0232..35f2861 100644
--- a/test/input/RValueReferenceType.cxx
+++ b/test/input/RValueReferenceType.cxx
@@ -1 +1,3 @@
-typedef int&& start;
+namespace start {
+  typedef int&& type;
+}
-- 
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