Don't use the keyed slow stub for named handlers.

src/ic/s390/stub-cache-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/ic/stub-cache.h"
 #include "src/codegen.h"
 #include "src/ic/ic.h"
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm)
 
 static void ProbeTable(Isolate* isolate, MacroAssembler* masm,
-                       Code::Kind ic_kind, Code::Flags flags,
-                       StubCache::Table table, Register receiver, Register name,
+                       Code::Flags flags, StubCache::Table table,
+                       Register receiver, Register name,
                        // Number of the cache entry, not scaled.
                        Register offset, Register scratch, Register scratch2,
                        Register offset_scratch) {
   ExternalReference key_offset(isolate->stub_cache()->key_reference(table));
   ExternalReference value_offset(isolate->stub_cache()->value_reference(table));
   ExternalReference map_offset(isolate->stub_cache()->map_reference(table));
 
   uintptr_t key_off_addr = reinterpret_cast<uintptr_t>(key_offset.address());
   uintptr_t value_off_addr =
       reinterpret_cast<uintptr_t>(value_offset.address());
@@ skipping 120 matching lines @@
   // Get the map of the receiver and compute the hash.
   __ LoadlW(scratch, FieldMemOperand(name, Name::kHashFieldOffset));
   __ LoadP(ip, FieldMemOperand(receiver, HeapObject::kMapOffset));
   __ AddP(scratch, scratch, ip);
   __ XorP(scratch, scratch, Operand(flags));
   // The mask omits the last two bits because they are not part of the hash.
   __ AndP(scratch, scratch,
           Operand((kPrimaryTableSize - 1) << kCacheIndexShift));
 
   // Probe the primary table.
-  ProbeTable(isolate, masm, ic_kind, flags, kPrimary, receiver, name, scratch,
-             extra, extra2, extra3);
+  ProbeTable(isolate, masm, flags, kPrimary, receiver, name, scratch, extra,
+             extra2, extra3);
 
   // Primary miss: Compute hash for secondary probe.
   __ SubP(scratch, scratch, name);
   __ AddP(scratch, scratch, Operand(flags));
   __ AndP(scratch, scratch,
           Operand((kSecondaryTableSize - 1) << kCacheIndexShift));
 
   // Probe the secondary table.
-  ProbeTable(isolate, masm, ic_kind, flags, kSecondary, receiver, name, scratch,
-             extra, extra2, extra3);
+  ProbeTable(isolate, masm, flags, kSecondary, receiver, name, scratch, extra,
+             extra2, extra3);
 
   // Cache miss: Fall-through and let caller handle the miss by
   // entering the runtime system.
   __ bind(&miss);
   __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, extra2,
                       extra3);
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390