Use only one constructor for CXXMethodDecl. Keep initialization stuff into one place.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58902 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index b2878b6..d008544 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -117,7 +117,7 @@
                       QualType T, bool isStatic, bool isInline,
                       ScopedDecl *PrevDecl) {
   void *Mem = C.getAllocator().Allocate<CXXMethodDecl>();
-  return new (Mem) CXXMethodDecl(RD, L, Id, T, isStatic, isInline, PrevDecl);
+  return new (Mem) CXXMethodDecl(CXXMethod, RD, L, Id, T, isStatic, isInline, PrevDecl);
 }
 
 QualType CXXMethodDecl::getThisType(ASTContext &C) const {