re PR fortran/29101 (Memory leak in gfortran)

2006-09-19 Paul Thomas <pault@gcc.gnu.org>
	   Steven Bosscher  <steven@gcc.gnu.org>

	PR fortran/29101
	* trans-stmt.c (gfc_trans_character_select): Store the label
	from select_string and then clean up any temporaries from the
	conversion of the select expression, before branching to the
	selected case.


Co-Authored-By: Steven Bosscher <steven@gcc.gnu.org>

From-SVN: r117053

gcc/fortran/ChangeLog

+2006-09-19 Paul Thomas <pault@gcc.gnu.org>
+	   Steven Bosscher  <steven@gcc.gnu.org>
+
+	PR fortran/29101
+	* trans-stmt.c (gfc_trans_character_select): Store the label
+	from select_string and then clean up any temporaries from the
+	conversion of the select expression, before branching to the
+	selected case.
+
 2006-09-18 Paul Thomas <pault@gcc.gnu.org>
 
 	PR fortran/28526

gcc/fortran/trans-stmt.c

@@ -1307,6 +1307,7 @@ static tree
 gfc_trans_character_select (gfc_code *code)
 {
   tree init, node, end_label, tmp, type, args, *labels;
+  tree case_label;
   stmtblock_t block, body;
   gfc_case *cp, *d;
   gfc_code *c;
@@ -1464,7 +1465,12 @@ gfc_trans_character_select (gfc_code *code)
   gfc_add_block_to_block (&block, &se.pre);
 
   tmp = build_function_call_expr (gfor_fndecl_select_string, args);
-  tmp = build1 (GOTO_EXPR, void_type_node, tmp);
+  case_label = gfc_create_var (TREE_TYPE (tmp), "case_label");
+  gfc_add_modify_expr (&block, case_label, tmp);
+
+  gfc_add_block_to_block (&block, &se.post);
+
+  tmp = build1 (GOTO_EXPR, void_type_node, case_label);
   gfc_add_expr_to_block (&block, tmp);
 
   tmp = gfc_finish_block (&body);
@@ -1475,8 +1481,6 @@ gfc_trans_character_select (gfc_code *code)
   if (n != 0)
     gfc_free (labels);
 
-  gfc_add_block_to_block (&block, &se.post);
-
   return gfc_finish_block (&block);
 }