Keep the same names for stack variables

Author: tomasr8

Python/optimizer_bytecodes.c

@@ -370,20 +370,20 @@ dummy_func(void) {
         res = sym_new_type(ctx, &PyUnicode_Type);
     }
 
-    op(_BINARY_OP_SUBSCR_TUPLE_INT, (left, right -- res)) {
-        assert(sym_matches_type(left, &PyTuple_Type));
-        if (sym_is_const(ctx, right)) {
-            assert(PyLong_CheckExact(sym_get_const(ctx, right)));
-            long index = PyLong_AsLong(sym_get_const(ctx, right));
+    op(_BINARY_OP_SUBSCR_TUPLE_INT, (tuple_st, sub_st -- res)) {
+        assert(sym_matches_type(tuple_st, &PyTuple_Type));
+        if (sym_is_const(ctx, sub_st)) {
+            assert(PyLong_CheckExact(sym_get_const(ctx, sub_st)));
+            long index = PyLong_AsLong(sym_get_const(ctx, sub_st));
             assert(index >= 0);
-            int tuple_length = sym_tuple_length(left);
+            int tuple_length = sym_tuple_length(tuple_st);
             if (tuple_length == -1) {
                 // Unknown length
                 res = sym_new_not_null(ctx);
             }
             else {
                 assert(index < tuple_length);
-                res = sym_tuple_getitem(ctx, left, index);
+                res = sym_tuple_getitem(ctx, tuple_st, index);
             }
         }
         else {