Index: lib/Tooling/Refactoring/Rename/RenamingAction.cpp
===================================================================
--- lib/Tooling/Refactoring/Rename/RenamingAction.cpp
+++ lib/Tooling/Refactoring/Rename/RenamingAction.cpp
@@ -84,8 +84,13 @@
         FileToReplaces(FileToReplaces), PrintLocations(PrintLocations) {}
 
   void HandleTranslationUnit(ASTContext &Context) override {
-    for (unsigned I = 0; I < NewNames.size(); ++I)
+    for (unsigned I = 0; I < NewNames.size(); ++I) {
+      // If the previous name was not found, ignore this rename request.
+      if (PrevNames[I].empty())
+        continue;
+
       HandleOneRename(Context, NewNames[I], PrevNames[I], USRList[I]);
+    }
   }
 
   void HandleOneRename(ASTContext &Context, const std::string &NewName,
Index: lib/Tooling/Refactoring/Rename/USRFindingAction.cpp
===================================================================
--- lib/Tooling/Refactoring/Rename/USRFindingAction.cpp
+++ lib/Tooling/Refactoring/Rename/USRFindingAction.cpp
@@ -198,8 +198,11 @@
         return false;
       }
 
-      if (Force)
+      if (Force) {
+        SpellingNames.push_back(std::string());
+        USRList.push_back(std::vector<std::string>());
         return true;
+      }
 
       unsigned CouldNotFindSymbolNamed = Engine.getCustomDiagID(
           DiagnosticsEngine::Error, "clang-rename could not find symbol %0");
Index: test/clang-rename/ForceMulti.cpp
===================================================================
--- /dev/null
+++ test/clang-rename/ForceMulti.cpp
@@ -0,0 +1,8 @@
+class B /* Test 1 */ { // CHECK: class B2 /* Test 1 */ {
+};
+
+class D : public B /* Test 1 */ { // CHECK: class D : public B2 /* Test 1 */ {
+};
+
+// Test 1.
+// RUN: clang-rename -force -qualified-name B -new-name B2 -qualified-name E -new-name E2 %s -- | sed 's,//.*,,' | FileCheck %s
Index: tools/clang-rename/ClangRename.cpp
===================================================================
--- tools/clang-rename/ClangRename.cpp
+++ tools/clang-rename/ClangRename.cpp
@@ -175,12 +175,6 @@
     return 1;
   }
 
-  if (Force && PrevNames.size() < NewNames.size()) {
-    // No matching PrevName for all NewNames. Without Force this is an error
-    // above already.
-    return 0;
-  }
-
   // Perform the renaming.
   tooling::RenamingAction RenameAction(NewNames, PrevNames, USRList,
                                        Tool.getReplacements(), PrintLocations);