re PR middle-end/6392 (Problems with __restrict__ type qualifier (array))

        PR c++/6392
        * cp/tree.c (build_cplus_array_type): Handle all quals the same.
        (cp_build_qualified_type_real): Look through arrays first.
        * c-common.c (c_build_qualified_type): Look through arrays first.
        (c_apply_type_quals_to_decl): Look through arrays.

From-SVN: r72260

gcc/testsuite/g++.dg/ext/restrict1.C

+// PR c++/6392
+// { dg-do compile }
+
+struct A
+{
+  int* __restrict__ data[10];
+};