Convert asan.c to inchash

gcc/:

2014-07-31  Andi Kleen  <ak@linux.intel.com>

	* asan.c (asan_mem_ref_hasher::hash): Convert to inchash.

From-SVN: r213396

gcc/ChangeLog

 2014-07-31  Andi Kleen  <ak@linux.intel.com>
 
+	* asan.c (asan_mem_ref_hasher::hash): Convert to inchash.
+
+2014-07-31  Andi Kleen  <ak@linux.intel.com>
+
 	* Makefile.in (OBJS): Add rtlhash.o
 	* dwarf2out.c (addr_table_entry_do_hash): Convert to inchash.
 	(loc_checksum): Dito.

gcc/asan.c

@@ -348,9 +348,10 @@ struct asan_mem_ref_hasher
 inline hashval_t
 asan_mem_ref_hasher::hash (const asan_mem_ref *mem_ref)
 {
-  hashval_t h = iterative_hash_expr (mem_ref->start, 0);
-  h = iterative_hash_host_wide_int (mem_ref->access_size, h);
-  return h;
+  inchash::hash hstate;
+  inchash::add_expr (mem_ref->start, hstate);
+  hstate.add_wide_int (mem_ref->access_size);
+  return hstate.end ();
 }
 
 /* Compare two memory references.  We accept the length of either