[gn build] Port 316634f

Author: llvmgnsyncbot

llvm/utils/gn/secondary/libcxx/include/BUILD.gn

@@ -500,22 +500,27 @@ if (current_toolchain == default_toolchain) {
       "__fwd/array.h",
       "__fwd/bit_reference.h",
       "__fwd/complex.h",
+      "__fwd/deque.h",
       "__fwd/format.h",
       "__fwd/fstream.h",
       "__fwd/functional.h",
       "__fwd/ios.h",
       "__fwd/istream.h",
       "__fwd/mdspan.h",
+      "__fwd/memory.h",
       "__fwd/memory_resource.h",
       "__fwd/ostream.h",
       "__fwd/pair.h",
+      "__fwd/queue.h",
       "__fwd/span.h",
       "__fwd/sstream.h",
+      "__fwd/stack.h",
       "__fwd/streambuf.h",
       "__fwd/string.h",
       "__fwd/string_view.h",
       "__fwd/subrange.h",
       "__fwd/tuple.h",
+      "__fwd/vector.h",
       "__hash_table",
       "__ios/fpos.h",
       "__iterator/access.h",