Comment change.

From-SVN: r5644
1993-10-06 21:07:12 +00:00 · 1993-10-06 21:07:12 +00:00 · 4b1d0feaca
parent 9e20879ef1
commit 4b1d0feaca
1 changed files with 2 additions and 1 deletions
--- 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.  */