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Re: [PATCH] Disallow COMPOUND_EXPR in set_rhs
On Thu, Sep 23, 2004 at 11:13:49AM -0400, Jakub Jelinek wrote:
> At least COMPOUND_EXPR which fold_builtin will return in several occassions,
> e.g. when optimizing sprintf (x, "%s", "string").
> I saw an ICE today where tree-ssa-dom.c (optimize_stmt) called fold_stmt
> and created non-gimple statement.
Argh, of course I mailed wrong patch, sorry.
2004-09-23 Jakub Jelinek <jakub@redhat.com>
* tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
--- gcc/tree-ssa-propagate.c.jj 2004-09-18 13:49:35.000000000 +0200
+++ gcc/tree-ssa-propagate.c 2004-09-23 17:02:41.483400229 +0200
@@ -575,6 +575,8 @@ set_rhs (tree *stmt_p, tree expr)
if (!is_gimple_val (TREE_OPERAND (expr, 0)))
return false;
}
+ else if (code == COMPOUND_EXPR)
+ return false;
switch (TREE_CODE (stmt))
{
Jakub