[Interpreter] Avoid accessing on-heap literal in VisitLiteral.

test/cctest/interpreter/bytecode_expectations/PrimitiveReturnStatements.golden

Index: test/cctest/interpreter/bytecode_expectations/PrimitiveReturnStatements.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/PrimitiveReturnStatements.golden b/test/cctest/interpreter/bytecode_expectations/PrimitiveReturnStatements.golden
index a70745193770b3fc13d599ad0adf0e52283bfb95..77ceb059e7c87521286a83b1ad2ddca3c400953b 100644
--- a/test/cctest/interpreter/bytecode_expectations/PrimitiveReturnStatements.golden
+++ b/test/cctest/interpreter/bytecode_expectations/PrimitiveReturnStatements.golden
@@ -176,3 +176,21 @@ constant pool: [
 handlers: [
 ]
 
+---
+snippet: "
+  return 2.0;
+"
+frame size: 0
+parameter count: 1
+bytecode array length: 4
+bytecodes: [
+  /*   30 E> */ B(StackCheck),
+  /*   34 S> */ B(LdaConstant), U8(0),
+  /*   46 S> */ B(Return),
+]
+constant pool: [
+  2,
+]
+handlers: [
+]
+