[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/bytecode_expectations/RemoveRedundantLdar.golden

Index: test/cctest/interpreter/bytecode_expectations/RemoveRedundantLdar.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/RemoveRedundantLdar.golden b/test/cctest/interpreter/bytecode_expectations/RemoveRedundantLdar.golden
new file mode 100644
index 0000000000000000000000000000000000000000..88ba6fd22091066f45174ba72fd42527d0c6c8c2
--- /dev/null
+++ b/test/cctest/interpreter/bytecode_expectations/RemoveRedundantLdar.golden
@@ -0,0 +1,104 @@
+#
+# Autogenerated by generate-bytecode-expectations
+#
+
+---
+pool type: number
+execute: yes
+wrap: yes
+
+---
+snippet: "
+  var ld_a = 1;
+  while(true) {
+    ld_a = ld_a + ld_a;
+    if (ld_a > 10) break;
+  }
+  return ld_a;
+"
+frame size: 2
+parameter count: 1
+bytecode array length: 31
+bytecodes: [
+  B(StackCheck),
+  B(LdaSmi8), U8(1),
+  B(Star), R(0),
+  B(StackCheck),
+  B(Ldar), R(0),
+  B(Star), R(1),
+  B(Ldar), R(0),
+  B(Add), R(1),
+  B(Star), R(0),
+  B(Star), R(1),
+  B(LdaSmi8), U8(10),
+  B(TestGreaterThan), R(1),
+  B(JumpIfFalse), U8(4),
+  B(Jump), U8(4),
+  B(Jump), U8(-21),
+  B(Ldar), R(0),
+  B(Return),
+]
+constant pool: [
+]
+handlers: [
+]
+
+---
+snippet: "
+  var ld_a = 1;
+  do {
+    ld_a = ld_a + ld_a;
+    if (ld_a > 10) continue;
+  } while(false);
+  return ld_a;
+"
+frame size: 2
+parameter count: 1
+bytecode array length: 29
+bytecodes: [
+  B(StackCheck),
+  B(LdaSmi8), U8(1),
+  B(Star), R(0),
+  B(StackCheck),
+  B(Ldar), R(0),
+  B(Star), R(1),
+  B(Ldar), R(0),
+  B(Add), R(1),
+  B(Star), R(0),
+  B(Star), R(1),
+  B(LdaSmi8), U8(10),
+  B(TestGreaterThan), R(1),
+  B(JumpIfFalse), U8(4),
+  B(Jump), U8(2),
+  B(Ldar), R(0),
+  B(Return),
+]
+constant pool: [
+]
+handlers: [
+]
+
+---
+snippet: "
+  var ld_a = 1;
+    ld_a = ld_a + ld_a;
+    return ld_a;
+"
+frame size: 2
+parameter count: 1
+bytecode array length: 14
+bytecodes: [
+  B(StackCheck),
+  B(LdaSmi8), U8(1),
+  B(Star), R(0),
+  B(Star), R(1),
+  B(Ldar), R(0),
+  B(Add), R(1),
+  B(Star), R(0),
+  B(Return),
+]
+constant pool: [
+]
+handlers: [
+]
+