From: Jason Merrill <jason@gcc.gnu.org>
Date: Sat, 4 Mar 2006 01:29:35 +0000 (-0500)
Subject: add comment
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8a48be3a16675308704e80694f6a600b7ad2ead9;p=gcc.git

add comment

From-SVN: r111701
---

diff --git a/gcc/cp/except.c b/gcc/cp/except.c
index 87e958676fa..d82c07ff329 100644
--- a/gcc/cp/except.c
+++ b/gcc/cp/except.c
@@ -724,7 +724,11 @@ build_throw (tree exp)
       temp_expr = NULL_TREE;
       stabilize_init (exp, &temp_expr);
 
+      /* Wrap the initialization in a CLEANUP_POINT_EXPR so that cleanups
+	 for temporaries within the initialization are run before the one
+	 for the exception object, preserving LIFO order.  */
       exp = build1 (CLEANUP_POINT_EXPR, TREE_TYPE (exp), exp);
+
       if (elided)
 	exp = build2 (TRY_CATCH_EXPR, void_type_node, exp,
 		      do_free_exception (ptr));