[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/Throw.golden

Index: test/cctest/interpreter/Throw.golden
diff --git a/test/cctest/interpreter/Throw.golden b/test/cctest/interpreter/Throw.golden
new file mode 100644
index 0000000000000000000000000000000000000000..83f876f66136849cbc0db4f540bdea5d0de1f1b1
--- /dev/null
+++ b/test/cctest/interpreter/Throw.golden
@@ -0,0 +1,64 @@
+#
+# Autogenerated by generate-bytecode-expectations
+#
+
+---
+pool type: string
+execute: yes
+wrap: yes
+
+---
+snippet: "
+  throw 1;
+"
+frame size: 0
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(LdaSmi8), U8(1),
+  B(Throw),
+]
+constant pool: [
+]
+handlers: [
+]
+
+---
+snippet: "
+  throw 'Error';
+"
+frame size: 0
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(LdaConstant), U8(0),
+  B(Throw),
+]
+constant pool: [
+  "Error",
+]
+handlers: [
+]
+
+---
+snippet: "
+  var a = 1; if (a) { throw 'Error'; };
+"
+frame size: 1  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(LdaSmi8), U8(1),
+  B(Star), R(0),
+  B(JumpIfToBooleanFalse), U8(5),
+  B(LdaConstant), U8(0),
+  B(Throw),
+  B(LdaUndefined),
+  B(Return),
+]
+constant pool: [
+  "Error",
+]
+handlers: [
+]
+