Unify SMI case inlining for ToNumberStub.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 1760fb8cf16c5c3b6e34c1be2b91202defea731c..6a5845de43f419d8c662948048e706b7adedb2eb 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -4436,7 +4436,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Call ToNumber only if operand is not a smi.
   Label no_conversion;
-  __ JumpIfSmi(r0, &no_conversion);
+  if (ShouldInlineSmiCase(expr->op())) {
+    __ JumpIfSmi(r0, &no_conversion);
+  }
   ToNumberStub convert_stub;
   __ CallStub(&convert_stub);
   __ bind(&no_conversion);