Merge DeclarationScope::temps_ and Scope::ordered_variables_ into Scope::locals_

test/cctest/interpreter/bytecode_expectations/ForIn.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 pool type: mixed
 execute: yes
 wrap: yes
 
 ---
@@ skipping 51 matching lines @@
 snippet: "
   var x = 'potatoes';
   for (var p in x) { return p; }
 "
 frame size: 8
 parameter count: 1
 bytecode array length: 44
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaConstant), U8(0),
-                B(Star), R(1),
+                B(Star), R(0),
   /*   68 S> */ B(JumpIfUndefined), U8(37),
                 B(JumpIfNull), U8(35),
                 B(ToObject), R(3),
                 B(ForInPrepare), R(3), R(4),
                 B(LdaZero),
                 B(Star), R(7),
   /*   63 S> */ B(ForInDone), R(7), R(6),
                 B(JumpIfTrue), U8(22),
                 B(ForInNext), R(3), R(7), R(4), U8(1),
                 B(JumpIfUndefined), U8(9),
-                B(Star), R(0),
+                B(Star), R(1),
   /*   54 E> */ B(StackCheck),
                 B(Star), R(2),
   /*   73 S> */ B(Nop),
   /*   85 S> */ B(Return),
                 B(ForInStep), R(7),
                 B(Star), R(7),
                 B(Jump), U8(-23),
                 B(LdaUndefined),
   /*   85 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var x = 0;
   for (var p in [1,2,3]) { x += p; }
 "
 frame size: 9
 parameter count: 1
 bytecode array length: 55
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaZero),
-                B(Star), R(1),
+                B(Star), R(0),
   /*   59 S> */ B(CreateArrayLiteral), U8(0), U8(0), U8(3),
                 B(JumpIfUndefined), U8(45),
                 B(JumpIfNull), U8(43),
                 B(ToObject), R(3),
                 B(ForInPrepare), R(3), R(4),
                 B(LdaZero),
                 B(Star), R(7),
   /*   54 S> */ B(ForInDone), R(7), R(6),
                 B(JumpIfTrue), U8(30),
                 B(ForInNext), R(3), R(7), R(4), U8(2),
                 B(JumpIfUndefined), U8(17),
-                B(Star), R(0),
+                B(Star), R(1),
   /*   45 E> */ B(StackCheck),
                 B(Star), R(2),
-  /*   70 S> */ B(Ldar), R(0),
-  /*   75 E> */ B(Add), R(1), U8(1),
-                B(Mov), R(1), R(8),
-                B(Star), R(1),
+  /*   70 S> */ B(Ldar), R(1),
+  /*   75 E> */ B(Add), R(0), U8(1),
+                B(Mov), R(0), R(8),
+                B(Star), R(0),
   /*   72 E> */ B(ForInStep), R(7),
                 B(Star), R(7),
                 B(Jump), U8(-31),
                 B(LdaUndefined),
   /*   80 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::FIXED_ARRAY_TYPE,
 ]
 handlers: [
@@ skipping 92 matching lines @@
                 B(LdaUndefined),
   /*   98 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::FIXED_ARRAY_TYPE,
   InstanceType::FIXED_ARRAY_TYPE,
 ]
 handlers: [
 ]