Update some switchable call stub names and comments.

runtime/vm/flow_graph_compiler_x64.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 1323 matching lines @@
     __ CompareClassId(RDI, kOneByteStringCid);
     __ j(NOT_EQUAL, &megamorphic_call, Assembler::kNearJump);
     __ movq(RAX, FieldAddress(RDI, String::hash_offset()));
     __ cmpq(RAX, Immediate(0));
     __ j(NOT_EQUAL, &done, Assembler::kNearJump);
 
     __ Bind(&megamorphic_call);
     __ Comment("Slow case: megamorphic call");
   }
   __ LoadObject(RBX, cache);
-  __ call(Address(THR, Thread::megamorphic_lookup_checked_entry_offset()));
+  __ call(Address(THR, Thread::megamorphic_call_checked_entry_offset()));
 
   __ Bind(&done);
   RecordSafepoint(locs, slow_path_argument_count);
   const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id);
   if (FLAG_precompiled_mode) {
     // Megamorphic calls may occur in slow path stubs.
     // If valid use try_index argument.
     if (try_index == CatchClauseNode::kInvalidTryIndex) {
       try_index = CurrentTryIndex();
     }
@@ skipping 18 matching lines @@
 
 
 void FlowGraphCompiler::EmitSwitchableInstanceCall(
     const ICData& ic_data,
     intptr_t argument_count,
     intptr_t deopt_id,
     TokenPosition token_pos,
     LocationSummary* locs) {
   ASSERT(ic_data.NumArgsTested() == 1);
   const Code& initial_stub = Code::ZoneHandle(
-      StubCode::ICLookupThroughFunction_entry()->code());
+      StubCode::ICCallThroughFunction_entry()->code());
 
   __ Comment("SwitchableCall");
   __ movq(RDI, Address(RSP, (argument_count - 1) * kWordSize));
   __ LoadUniqueObject(RBX, ic_data);
   __ LoadUniqueObject(CODE_REG, initial_stub);
   __ movq(RCX, FieldAddress(CODE_REG, Code::checked_entry_point_offset()));
   __ call(RCX);
 
   AddCurrentDescriptor(RawPcDescriptors::kOther,
                        Thread::kNoDeoptId, token_pos);
@@ skipping 470 matching lines @@
   __ movups(reg, Address(RSP, 0));
   __ AddImmediate(RSP, Immediate(kFpuRegisterSize));
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64