Type traits intrinsic implementation: __is_base_of(T, U)
New AST node introduced: BinaryTypeTraitExpr; to be reused for more intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121074 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTReaderStmt.cpp b/lib/Serialization/ASTReaderStmt.cpp
index 6c63180..f00b107 100644
--- a/lib/Serialization/ASTReaderStmt.cpp
+++ b/lib/Serialization/ASTReaderStmt.cpp
@@ -175,6 +175,7 @@
     void VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E);
 
     void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
+    void VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E);
     void VisitCXXNoexceptExpr(CXXNoexceptExpr *E);
 
     void VisitOpaqueValueExpr(OpaqueValueExpr *E);
@@ -1275,6 +1276,17 @@
   E->QueriedType = GetTypeSourceInfo(Record, Idx);
 }
 
+void ASTStmtReader::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) {
+  VisitExpr(E);
+  E->BTT = (BinaryTypeTrait)Record[Idx++];
+  E->Value = (bool)Record[Idx++];
+  SourceRange Range = ReadSourceRange(Record, Idx);
+  E->Loc = Range.getBegin();
+  E->RParen = Range.getEnd();
+  E->LhsType = GetTypeSourceInfo(Record, Idx);
+  E->RhsType = GetTypeSourceInfo(Record, Idx);
+}
+
 void ASTStmtReader::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
   VisitExpr(E);
   E->Value = (bool)Record[Idx++];
@@ -1800,6 +1812,10 @@
       S = new (Context) UnaryTypeTraitExpr(Empty);
       break;
 
+    case EXPR_CXX_BINARY_TYPE_TRAIT:
+      S = new (Context) BinaryTypeTraitExpr(Empty);
+      break;
+
     case EXPR_CXX_NOEXCEPT:
       S = new (Context) CXXNoexceptExpr(Empty);
       break;