remove tmpname support since it's no longer used

Include/symtable.h

@@ -19,7 +19,6 @@ struct symtable {
 	PyObject *st_global;     /* borrowed ref to MODULE in st_symbols */
 	int st_nblocks;          /* number of blocks */
 	PyObject *st_private;        /* name of current class or NULL */
-        int st_tmpname;          /* temporary name counter */
 	PyFutureFeatures *st_future; /* module's future features */
 };
 
@@ -43,7 +42,6 @@ typedef struct _symtable_entry {
 	                                    an argument */
 	int ste_lineno;          /* first line of block */
 	int ste_opt_lineno;      /* lineno of last exec or import * */
-	int ste_tmpname;         /* counter for listcomp temp vars */
 	struct symtable *ste_table;
 } PySTEntryObject;
 

Python/compile.c

@@ -111,7 +111,6 @@ struct compiler_unit {
 	   members, you can reach all early allocated blocks. */
 	basicblock *u_blocks;
 	basicblock *u_curblock; /* pointer to current block */
-	int u_tmpname;		/* temporary variables for list comps */
 
 	int u_nfblocks;
 	struct fblockinfo u_fblock[CO_MAXBLOCKS];
@@ -468,7 +467,6 @@ compiler_enter_scope(struct compiler *c, identifier name, void *key,
 	}
 
 	u->u_blocks = NULL;
-	u->u_tmpname = 0;
 	u->u_nfblocks = 0;
 	u->u_firstlineno = lineno;
 	u->u_lineno = 0;

Python/symtable.c

@@ -32,7 +32,6 @@ ste_new(struct symtable *st, identifier name, _Py_block_ty block,
 		goto fail;
 	ste->ste_table = st;
 	ste->ste_id = k;
-	ste->ste_tmpname = 0;
 
 	ste->ste_name = name;
 	Py_INCREF(name);
@@ -60,7 +59,6 @@ ste_new(struct symtable *st, identifier name, _Py_block_ty block,
 	ste->ste_varargs = 0;
 	ste->ste_varkeywords = 0;
 	ste->ste_opt_lineno = 0;
-	ste->ste_tmpname = 0;
 	ste->ste_lineno = lineno;
 
 	if (st->st_cur != NULL &&
@@ -204,7 +202,6 @@ symtable_new(void)
 	if ((st->st_symbols = PyDict_New()) == NULL)
 		goto fail; 
 	st->st_cur = NULL;
-	st->st_tmpname = 0;
 	st->st_private = NULL;
 	return st;
  fail:
@@ -994,23 +991,6 @@ error:
 	} \
 }
 
-static int
-symtable_new_tmpname(struct symtable *st)
-{
-	char tmpname[256];
-	identifier tmp;
-
-	PyOS_snprintf(tmpname, sizeof(tmpname), "_[%d]",
-		      ++st->st_cur->ste_tmpname);
-	tmp = PyString_InternFromString(tmpname);
-	if (!tmp)
-		return 0;
-	if (!symtable_add_def(st, tmp, DEF_LOCAL))
-		return 0;
-	Py_DECREF(tmp);
-	return 1;
-}
-
 static int
 symtable_visit_stmt(struct symtable *st, stmt_ty s)
 {
@@ -1184,12 +1164,8 @@ symtable_visit_stmt(struct symtable *st, stmt_ty s)
 		/* nothing to do here */
 		break;
         case With_kind:
-		if (!symtable_new_tmpname(st))
-			return 0;
                 VISIT(st, expr, s->v.With.context_expr);
                 if (s->v.With.optional_vars) {
-			if (!symtable_new_tmpname(st))
-				return 0;
                         VISIT(st, expr, s->v.With.optional_vars);
                 }
                 VISIT_SEQ(st, stmt, s->v.With.body);
@@ -1237,8 +1213,6 @@ symtable_visit_expr(struct symtable *st, expr_ty e)
 		VISIT_SEQ(st, expr, e->v.Dict.values);
 		break;
         case ListComp_kind:
-		if (!symtable_new_tmpname(st))
-			return 0;
 		VISIT(st, expr, e->v.ListComp.elt);
 		VISIT_SEQ(st, comprehension, e->v.ListComp.generators);
 		break;