Version 5.1.281.45 (cherry-pick)

src/full-codegen/s390/full-codegen-s390.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 2906 matching lines @@
 
   VisitForAccumulatorValue(args->at(0));
 
   // If the object is not a JSReceiver, we return null.
   __ JumpIfSmi(r2, &null);
   STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
   __ CompareObjectType(r2, r2, r3, FIRST_JS_RECEIVER_TYPE);
   // Map is now in r2.
   __ blt(&null);
 
-  // Return 'Function' for JSFunction objects.
-  __ CmpP(r3, Operand(JS_FUNCTION_TYPE));
-  __ beq(&function);
+  // Return 'Function' for JSFunction and JSBoundFunction objects.
+  __ CmpLogicalP(r3, Operand(FIRST_FUNCTION_TYPE));
+  STATIC_ASSERT(LAST_FUNCTION_TYPE == LAST_TYPE);
+  __ bge(&function);
 
   // Check if the constructor in the map is a JS function.
   Register instance_type = r4;
   __ GetMapConstructor(r2, r2, r3, instance_type);
   __ CmpP(instance_type, Operand(JS_FUNCTION_TYPE));
   __ bne(&non_function_constructor, Label::kNear);
 
   // r2 now contains the constructor function. Grab the
   // instance class name from there.
   __ LoadP(r2, FieldMemOperand(r2, JSFunction::kSharedFunctionInfoOffset));
@@ skipping 1031 matching lines @@
   DCHECK(kOSRBranchInstruction == br_instr);
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OnStackReplacement()->entry());
   return ON_STACK_REPLACEMENT;
 }
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_S390