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

src/x87/macro-assembler-x87.h

Index: src/x87/macro-assembler-x87.h
diff --git a/src/x87/macro-assembler-x87.h b/src/x87/macro-assembler-x87.h
index 55714132f76c75d0ea974775f9a4624c62320707..5cf1adb12673e98fb7fc386035cfb471fa9a3950 100644
--- a/src/x87/macro-assembler-x87.h
+++ b/src/x87/macro-assembler-x87.h
@@ -23,6 +23,7 @@ const Register kInterpreterAccumulatorRegister = {Register::kCode_eax};
 const Register kInterpreterRegisterFileRegister = {Register::kCode_edx};
 const Register kInterpreterBytecodeOffsetRegister = {Register::kCode_ecx};
 const Register kInterpreterBytecodeArrayRegister = {Register::kCode_edi};
+const Register kInterpreterDispatchTableRegister = {Register::kCode_esi};
 const Register kJavaScriptCallArgCountRegister = {Register::kCode_eax};
 const Register kJavaScriptCallNewTargetRegister = {Register::kCode_edx};
 const Register kRuntimeCallFunctionRegister = {Register::kCode_ebx};