Rollback for-loop behavior for @. Repair tests

BUGS

@@ -1,6 +1,6 @@
 
 Miscellanous (most-recent first)
-  
+
   Can't use a type before it's defined. Should be able to post-define it like functions.
 
   Method lookup cache:

src/loops.cpp

@@ -224,10 +224,10 @@ Term* loop_get_primary_result(Block* block)
     Term* iterator = for_loop_get_iterator(block);
 
     // For a rebound list, use the last term that has the iterator's
-    // name, if it's been explicitly renamed.
+    // name.
     if (block->owningTerm->boolProp(sym_ModifyList, false)) {
         Term* term = block->get(iterator->name);
-        if (term != NULL && term->function != FUNCS.get_index)
+        if (term != NULL)
             return term;
     }
 

tests/stdlib/json_test.ca.output

@@ -1,16 +1,16 @@
-parsed string '1' as 1
-parsed string '1.0' as 1.0
-parsed string '"a"' as a
-parsed string '"abc"' as abc
-parsed string '[1]' as [1]
-parsed string '[1, 2]' as [1, 2]
-parsed string ' [ 1 , 2 ] ' as [1, 2]
-parsed string '["a", "b", 1.0, 2.0]' as ['a', 'b', 1.0, 2.0]
-parsed string '-1' as -1
-parsed string '[-1, -2]' as [-1, -2]
-parsed string 'true' as true
-parsed string 'false' as false
-parsed string 'null' as null
-parsed string '{}' as {}
-parsed string '{"a":"b"}' as {a: 'b'}
-parsed string '{"a":"b", "c":"d"}' as {a: 'b', c: 'd'}
+1 -> 1 -> 1
+1.0 -> 1.0 -> 1.0
+"a" -> a -> "a"
+"abc" -> abc -> "abc"
+[1] -> [1] -> [1]
+[1, 2] -> [1, 2] -> [1, 2]
+ [ 1 , 2 ]  -> [1, 2] -> [1, 2]
+["a", "b", 1.0, 2.0] -> ['a', 'b', 1.0, 2.0] -> ["a", "b", 1.0, 2.0]
+-1 -> -1 -> -1
+[-1, -2] -> [-1, -2] -> [-1, -2]
+true -> true -> true
+false -> false -> false
+null -> null -> null
+{} -> {} -> {}
+{"a":"b"} -> {a: 'b'} -> {"a": "b"}
+{"a":"b", "c":"d"} -> {a: 'b', c: 'd'} -> {"a": "b", "c": "d"}