[Interpreter] No longer require context machine register in bytecode handlers

src/ia32/interface-descriptors-ia32.cc

Index: src/ia32/interface-descriptors-ia32.cc
diff --git a/src/ia32/interface-descriptors-ia32.cc b/src/ia32/interface-descriptors-ia32.cc
index 1dcb9395363e155aff99e8ee4d35620bac952b34..dd3194bbce5838b72a4e5b4db2d6fc3373c592a5 100644
--- a/src/ia32/interface-descriptors-ia32.cc
+++ b/src/ia32/interface-descriptors-ia32.cc
@@ -383,7 +383,8 @@ void InterpreterDispatchDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
       kInterpreterAccumulatorRegister, kInterpreterRegisterFileRegister,
-      kInterpreterBytecodeOffsetRegister, kInterpreterBytecodeArrayRegister };
+      kInterpreterBytecodeOffsetRegister, kInterpreterBytecodeArrayRegister,
+      kInterpreterDispatchTableRegister};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }