diff --git a/clang/include/clang/AST/DeclCXX.h b/clang/include/clang/AST/DeclCXX.h
--- a/clang/include/clang/AST/DeclCXX.h
+++ b/clang/include/clang/AST/DeclCXX.h
@@ -1517,14 +1517,8 @@
   /// returns false if the class has non-computable base classes.
   ///
   /// \param BaseMatches Callback invoked for each (direct or indirect) base
-  /// class of this type, or if \p AllowShortCircuit is true then until a call
-  /// returns false.
-  ///
-  /// \param AllowShortCircuit if false, forces the callback to be called
-  /// for every base class, even if a dependent or non-matching base was
-  /// found.
-  bool forallBases(ForallBasesCallback BaseMatches,
-                   bool AllowShortCircuit = true) const;
+  /// class of this type until a call returns false.
+  bool forallBases(ForallBasesCallback BaseMatches) const;
 
   /// Function type used by lookupInBases() to determine whether a
   /// specific base class subobject matches the lookup criteria.
diff --git a/clang/lib/AST/CXXInheritance.cpp b/clang/lib/AST/CXXInheritance.cpp
--- a/clang/lib/AST/CXXInheritance.cpp
+++ b/clang/lib/AST/CXXInheritance.cpp
@@ -147,37 +147,27 @@
   return false;
 }
 
-bool CXXRecordDecl::forallBases(ForallBasesCallback BaseMatches,
-                                bool AllowShortCircuit) const {
+bool CXXRecordDecl::forallBases(ForallBasesCallback BaseMatches) const {
   SmallVector<const CXXRecordDecl*, 8> Queue;
 
   const CXXRecordDecl *Record = this;
-  bool AllMatches = true;
   while (true) {
     for (const auto &I : Record->bases()) {
       const RecordType *Ty = I.getType()->getAs<RecordType>();
-      if (!Ty) {
-        if (AllowShortCircuit) return false;
-        AllMatches = false;
-        continue;
-      }
+      if (!Ty)
+        return false;
 
       CXXRecordDecl *Base =
             cast_or_null<CXXRecordDecl>(Ty->getDecl()->getDefinition());
       if (!Base ||
           (Base->isDependentContext() &&
            !Base->isCurrentInstantiation(Record))) {
-        if (AllowShortCircuit) return false;
-        AllMatches = false;
-        continue;
+        return false;
       }
 
       Queue.push_back(Base);
-      if (!BaseMatches(Base)) {
-        if (AllowShortCircuit) return false;
-        AllMatches = false;
-        continue;
-      }
+      if (!BaseMatches(Base))
+        return false;
     }
 
     if (Queue.empty())
@@ -185,7 +175,7 @@
     Record = Queue.pop_back_val(); // not actually a queue.
   }
 
-  return AllMatches;
+  return true;
 }
 
 bool CXXBasePaths::lookupInBases(ASTContext &Context,