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

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 28164c7aaf13f0751562b2bad7ba5893f0d3ba07..5b8e8b27cd63ca395915212f947ce0478e45892c 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -1223,12 +1223,12 @@ void LCodeGen::DoModI(LModI* instr) {
     __ and_(left_reg, 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());
     ASSERT(left_reg.is(ToRegister(instr->result())));
     Register right_reg = ToRegister(instr->right());
 
-    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.