ASAN: fix ICE in gcc.dg/asan/pr80168.c on aarch64 -mabi=ilp32

gcc/
	* asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
	during expansion.
	* builtins.c (expand_asan_emit_allocas_unpoison): Likewise.

From-SVN: r250176

gcc/ChangeLog

+2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
+
+	* asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
+	during expansion.
+	* builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
+
 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	PR target/81193

gcc/asan.c

@@ -1567,9 +1567,10 @@ asan_emit_allocas_unpoison (rtx top, rtx bot, rtx_insn *before)
   else
     start_sequence ();
   rtx ret = init_one_libfunc ("__asan_allocas_unpoison");
+  top = convert_memory_address (ptr_mode, top);
+  bot = convert_memory_address (ptr_mode, bot);
   ret = emit_library_call_value (ret, NULL_RTX, LCT_NORMAL, ptr_mode, 2, top,
-				 TYPE_MODE (pointer_sized_int_node), bot,
-				 TYPE_MODE (pointer_sized_int_node));
+				 ptr_mode, bot, ptr_mode);
 
   do_pending_stack_adjust ();
   rtx_insn *insns = get_insns ();

gcc/builtins.c

@@ -4972,13 +4972,11 @@ static rtx
 expand_asan_emit_allocas_unpoison (tree exp)
 {
   tree arg0 = CALL_EXPR_ARG (exp, 0);
-  rtx top = expand_expr (arg0, NULL_RTX, GET_MODE (virtual_stack_dynamic_rtx),
-			 EXPAND_NORMAL);
+  rtx top = expand_expr (arg0, NULL_RTX, ptr_mode, EXPAND_NORMAL);
+  rtx bot = convert_memory_address (ptr_mode, virtual_stack_dynamic_rtx);
   rtx ret = init_one_libfunc ("__asan_allocas_unpoison");
   ret = emit_library_call_value (ret, NULL_RTX, LCT_NORMAL, ptr_mode, 2, top,
-				 TYPE_MODE (pointer_sized_int_node),
-				 virtual_stack_dynamic_rtx,
-				 TYPE_MODE (pointer_sized_int_node));
+				 ptr_mode, bot, ptr_mode);
   return ret;
 }