------- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-19
05:22 -------
This patch fixes it but I don't know if it is the correct fix, I have not
bootstrapped it yet but it works as it
removes the constraint when not to add SAVE_EXPR around the expression:
Index: tree.c
===============================================================
====
RCS file: /cvs/gcc/gcc/gcc/tree.c,v
retrieving revision 1.457
diff -u -p -r1.457 tree.c
--- tree.c 17 Dec 2004 08:17:01 -0000 1.457
+++ tree.c 19 Dec 2004 05:21:23 -0000
@@ -1669,7 +1669,6 @@ save_expr (tree expr)
inner = skip_simple_arithmetic (t);
if (TREE_INVARIANT (inner)
- || (TREE_READONLY (inner) && ! TREE_SIDE_EFFECTS (inner))
|| TREE_CODE (inner) == SAVE_EXPR
|| TREE_CODE (inner) == ERROR_MARK)
return t;
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18067
