tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Look for a POINTER_PLUS_EXPR in the defining statement.

2013-10-30  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Look for a
	POINTER_PLUS_EXPR in the defining statement.

gcc/testsuite/
	* gcc.dg/tree-ssa/alias-24.c: New file.

From-SVN: r204213