[stubs] Consolidate TryToName implementation

src/compiler/code-assembler.cc

Index: src/compiler/code-assembler.cc
diff --git a/src/compiler/code-assembler.cc b/src/compiler/code-assembler.cc
index 6fd143b4dd9dd494e7e0485d9472896535c05e93..144e223346cfa3a173e478655461a2f0168a9aa0 100644
--- a/src/compiler/code-assembler.cc
+++ b/src/compiler/code-assembler.cc
@@ -234,6 +234,13 @@ Node* CodeAssembler::ChangeInt32ToIntPtr(Node* value) {
   return value;
 }
 
+Node* CodeAssembler::RoundIntPtrToFloat64(Node* value) {
+  if (raw_assembler_->machine()->Is64()) {
+    return raw_assembler_->RoundInt64ToFloat64(value);
+  }
+  return raw_assembler_->ChangeInt32ToFloat64(value);
+}
+
 #define DEFINE_CODE_ASSEMBLER_UNARY_OP(name) \
   Node* CodeAssembler::name(Node* a) { return raw_assembler_->name(a); }
 CODE_ASSEMBLER_UNARY_OP_LIST(DEFINE_CODE_ASSEMBLER_UNARY_OP)