Read/write a CXXOperatorCallExpr from/to PCH files.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75598 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReaderStmt.cpp b/lib/Frontend/PCHReaderStmt.cpp
index eccb53b..5681b67 100644
--- a/lib/Frontend/PCHReaderStmt.cpp
+++ b/lib/Frontend/PCHReaderStmt.cpp
@@ -111,6 +111,8 @@
     unsigned VisitObjCAtTryStmt(ObjCAtTryStmt *);
     unsigned VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *);
     unsigned VisitObjCAtThrowStmt(ObjCAtThrowStmt *);
+
+    unsigned VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E);
   };
 }
 
@@ -816,6 +818,15 @@
   return 1;
 }
 
+//===----------------------------------------------------------------------===//
+// C++ Expressions and Statements
+
+unsigned PCHStmtReader::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
+  unsigned num = VisitCallExpr(E);
+  E->setOperator((OverloadedOperatorKind)Record[Idx++]);
+  return num;
+}
+
 
 // Within the bitstream, expressions are stored in Reverse Polish
 // Notation, with each of the subexpressions preceding the
@@ -983,7 +994,7 @@
       break;
 
     case pch::EXPR_CALL:
-      S = new (Context) CallExpr(*Context, Empty);
+      S = new (Context) CallExpr(*Context, Stmt::CallExprClass, Empty);
       break;
 
     case pch::EXPR_MEMBER:
@@ -1113,6 +1124,10 @@
     case pch::STMT_OBJC_AT_THROW:
       S = new (Context) ObjCAtThrowStmt(Empty);
       break;
+      
+    case pch::EXPR_CXX_OPERATOR_CALL:
+      S = new (Context) CXXOperatorCallExpr(*Context, Empty);
+      break;
     }
 
     // We hit a STMT_STOP, so we're done with this expression.