[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/bytecode_expectations/FunctionLiterals.golden

Index: test/cctest/interpreter/bytecode_expectations/FunctionLiterals.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/FunctionLiterals.golden b/test/cctest/interpreter/bytecode_expectations/FunctionLiterals.golden
new file mode 100644
index 0000000000000000000000000000000000000000..5e181ed02bf99868dc05c0cb55db339f6c149afe
--- /dev/null
+++ b/test/cctest/interpreter/bytecode_expectations/FunctionLiterals.golden
@@ -0,0 +1,73 @@
+#
+# Autogenerated by generate-bytecode-expectations.
+#
+
+---
+pool type: mixed
+execute: yes
+wrap: yes
+
+---
+snippet: "
+  return function(){ }
+"
+frame size: 0
+parameter count: 1
+bytecode array length: 5
+bytecodes: [
+  B(StackCheck),
+  B(CreateClosure), U8(0), U8(0),
+  B(Return),
+]
+constant pool: [
+  InstanceType::SHARED_FUNCTION_INFO_TYPE,
+]
+handlers: [
+]
+
+---
+snippet: "
+  return (function(){ })()
+"
+frame size: 2
+parameter count: 1
+bytecode array length: 15
+bytecodes: [
+  B(StackCheck),
+  B(LdaUndefined),
+  B(Star), R(1),
+  B(CreateClosure), U8(0), U8(0),
+  B(Star), R(0),
+  B(Call), R(0), R(1), U8(1), U8(1),
+  B(Return),
+]
+constant pool: [
+  InstanceType::SHARED_FUNCTION_INFO_TYPE,
+]
+handlers: [
+]
+
+---
+snippet: "
+  return (function(x){ return x; })(1)
+"
+frame size: 3
+parameter count: 1
+bytecode array length: 19
+bytecodes: [
+  B(StackCheck),
+  B(LdaUndefined),
+  B(Star), R(1),
+  B(CreateClosure), U8(0), U8(0),
+  B(Star), R(0),
+  B(LdaSmi8), U8(1),
+  B(Star), R(2),
+  B(Call), R(0), R(1), U8(2), U8(1),
+  B(Return),
+]
+constant pool: [
+  InstanceType::SHARED_FUNCTION_INFO_TYPE,
+]
+handlers: [
+]
+