From: Richard Stallman <rms@gnu.org>
Date: Wed, 6 Oct 1993 21:07:12 +0000 (+0000)
Subject: Comment change.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4b1d0feacabbe29a369453422c0c46b79e352318;p=gcc.git

Comment change.

From-SVN: r5644
---

diff --git a/gcc/tree.c b/gcc/tree.c
index 1231cc3ded3..8b299cf25fe 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -2180,7 +2180,8 @@ substitute_in_type (t, f, r)
 
 /* Stabilize a reference so that we can use it any number of times
    without causing its operands to be evaluated more than once.
-   Returns the stabilized reference.
+   Returns the stabilized reference.  This works by means of save_expr,
+   so see the caveats in the comments about save_expr.
 
    Also allows conversion expressions whose operands are references.
    Any other kind of expression is returned unchanged.  */