Use AST's type field and merge types for unary, binary & compare ICs

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 431bb38188b83272d4b2d1e8495bcf6a7a1a4be5..40fd30bf8e84bc9b7463bf1f38129843c8795265 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -1154,12 +1154,12 @@ void LCodeGen::DoModI(LModI* instr) {
     __ and_(result_reg, left_reg, Operand(divisor - 1));
     __ bind(&done);
 
-  } else if (hmod->has_fixed_right_arg()) {
+  } else if (hmod->fixed_right_arg().has_value) {
     Register left_reg = ToRegister(instr->left());
     Register right_reg = ToRegister(instr->right());
     Register result_reg = ToRegister(instr->result());
 
-    int32_t divisor = hmod->fixed_right_arg_value();
+    int32_t divisor = hmod->fixed_right_arg().value;
     ASSERT(IsPowerOf2(divisor));
 
     // Check if our assumption of a fixed right operand still holds.