[patch] builtins.c: Fix PR tree-optimization/15743.

[Kazu Hirata]

Hi Jeff,

> > 2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>
> > 
> > 	PR tree-optimization/15743.
> > 	* builtins.c (fold_builtin_1): Fold index() and rindex().
> This is fine.  Please install this patch.  You might also consider
> adding your testcase to the testsuite.

Thanks.  I will prepare testcases for a couple of builtin optimization
patches that I checked in last few days.

Kazu Hirata