Add the beginnings of a CXXTempVarDecl class.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69652 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/AST/DeclCXX.h b/include/clang/AST/DeclCXX.h
index 4dbfe4d..f7b5eb5 100644
--- a/include/clang/AST/DeclCXX.h
+++ b/include/clang/AST/DeclCXX.h
@@ -1026,6 +1026,7 @@
   static bool classof(const NamespaceAliasDecl *D) { return true; }
 };
   
+/// StaticAssertDecl - Represents a C++0x static_assert declaration.
 class StaticAssertDecl : public Decl {
   Expr *AssertExpr;
   StringLiteral *Message;
@@ -1054,6 +1055,17 @@
   static bool classof(StaticAssertDecl *D) { return true; }
 };
 
+/// CXXTempVarDecl - Represents an implicit C++ temporary variable declaration.
+class CXXTempVarDecl : public VarDecl {
+protected:
+  CXXTempVarDecl(DeclContext *DC, QualType T) 
+    : VarDecl(CXXTempVar, DC, SourceLocation(), 0, T, None) {}
+
+public:
+  static CXXTempVarDecl *Create(ASTContext &C, DeclContext *DC,
+                                QualType T);
+};
+
 /// Insertion operator for diagnostics.  This allows sending AccessSpecifier's
 /// into a diagnostic with <<.
 const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB,
diff --git a/include/clang/AST/DeclNodes.def b/include/clang/AST/DeclNodes.def
index bbe3624..3b48b21 100644
--- a/include/clang/AST/DeclNodes.def
+++ b/include/clang/AST/DeclNodes.def
@@ -102,6 +102,7 @@
       DECL(ParmVar, VarDecl)
         DECL(OriginalParmVar, ParmVarDecl)
       DECL(NonTypeTemplateParm, VarDecl)
+      DECL(CXXTempVar, VarDecl)
   DECL(Template, NamedDecl)
     DECL(FunctionTemplate, TemplateDecl)
     DECL(ClassTemplate, TemplateDecl)
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index a5d133c..34d7464 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -375,6 +375,13 @@
 StaticAssertDecl::~StaticAssertDecl() {
 }
 
+CXXTempVarDecl *CXXTempVarDecl::Create(ASTContext &C, DeclContext *DC,
+                                       QualType T) {
+  assert(isa<CXXRecordDecl>(T->getAsRecordType()->getDecl()) &&
+         "CXXTempVarDecl must have a C++ record type!");
+  return new (C) CXXTempVarDecl(DC, T);
+}
+
 static const char *getAccessName(AccessSpecifier AS) {
   switch (AS) {
     default: