re PR tree-optimization/31982 (Missed forw prop with indirect ref and addr. (and char types or sizeof(type) == 1))

2007-05-24  Richard Guenther  <rguenther@suse.de>
        Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-optimization/31982
	* tree-ssa-forwprop.c
	(forward_propagate_addr_into_variable_array_index): Handle arrays
	with element size one.

	* gcc.dg/tree-ssa/forwprop-2.c: New testcase.

Co-Authored-By: Andrew Pinski <andrew_pinski@playstation.sony.com>

From-SVN: r125058