re PR tree-optimization/42681 (ICE: in build2_stat, at tree.c:3664 with "-O1 -fgraphi...

re PR tree-optimization/42681 (ICE: in build2_stat, at tree.c:3664 with "-O1 -fgraphite-identity")

Fix PR42681.

2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42681
	* graphite-clast-to-gimple.c (gloog_error): New static variable.
	(clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
	Set gloog_error when such an expression failed to be built.
	(translate_clast): Early return when gloog_error is set.
	(gloog): Clear gloog_error.  When gloog_error is set, call
	set_ifsese_condition to enable the original code.  Return the status
	of the code generation based on gloog_error.
	* sese.c (set_ifsese_condition): New.
	* sese.h (set_ifsese_condition): Declared.

	* testsuite/g++.dg/graphite/pr42681.C: New.

From-SVN: r155884