[stubs] Introduce AddStub and SubtractStub.

src/compiler/js-generic-lowering.cc

Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index 71f61ec45612099eaacb1668cce4d804de7f5dde..1ee8de57c70c4d472bbd44d4045bf1bbc0ba50c7 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -76,8 +76,6 @@ REPLACE_BINARY_OP_IC_CALL(JSBitwiseAnd, Token::BIT_AND)
 REPLACE_BINARY_OP_IC_CALL(JSShiftLeft, Token::SHL)
 REPLACE_BINARY_OP_IC_CALL(JSShiftRight, Token::SAR)
 REPLACE_BINARY_OP_IC_CALL(JSShiftRightLogical, Token::SHR)
-REPLACE_BINARY_OP_IC_CALL(JSAdd, Token::ADD)
-REPLACE_BINARY_OP_IC_CALL(JSSubtract, Token::SUB)
 REPLACE_BINARY_OP_IC_CALL(JSMultiply, Token::MUL)
 REPLACE_BINARY_OP_IC_CALL(JSDivide, Token::DIV)
 REPLACE_BINARY_OP_IC_CALL(JSModulus, Token::MOD)
@@ -98,6 +96,8 @@ REPLACE_RUNTIME_CALL(JSConvertReceiver, Runtime::kConvertReceiver)
     Callable callable = CodeFactory::Name(isolate());             \
     ReplaceWithStubCall(node, callable, flags);                   \
   }
+REPLACE_STUB_CALL(Add)
+REPLACE_STUB_CALL(Subtract)
 REPLACE_STUB_CALL(LessThan)
 REPLACE_STUB_CALL(LessThanOrEqual)
 REPLACE_STUB_CALL(GreaterThan)