re PR sanitizer/71953 (ICE using address sanitizers with PCH)

	PR sanitizer/71953
	* asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
	before builtin_decl_implicit.

From-SVN: r238596

gcc/ChangeLog

+2016-07-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/71953
+	* asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
+	before builtin_decl_implicit.
+
 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* optabs.c (emit_condiitonal_move): Short circuit for identical

gcc/asan.c

@@ -2159,6 +2159,9 @@ transform_statements (void)
 tree
 asan_dynamic_init_call (bool after_p)
 {
+  if (shadow_ptr_types[0] == NULL_TREE)
+    asan_init_shadow_ptr_types ();
+
   tree fn = builtin_decl_implicit (after_p
 				   ? BUILT_IN_ASAN_AFTER_DYNAMIC_INIT
 				   : BUILT_IN_ASAN_BEFORE_DYNAMIC_INIT);
@@ -2168,8 +2171,6 @@ asan_dynamic_init_call (bool after_p)
       pretty_printer module_name_pp;
       pp_string (&module_name_pp, main_input_filename);
 
-      if (shadow_ptr_types[0] == NULL_TREE)
-	asan_init_shadow_ptr_types ();
       module_name_cst = asan_pp_string (&module_name_pp);
       module_name_cst = fold_convert (const_ptr_type_node,
 				      module_name_cst);