Rollup merge of rust-lang#65173 - tmandry:reffy-ref, r=tmandry

Centril · web-flow · commit 68a4cfc242ef · 2019-10-07T10:36:49.000+02:00
Update reference - Add macros in extern blocks and new proc-macro support. - Update for "modern" `meta` matcher. - Update await desugaring after rust-lang#64292
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 320d232b206edecb67489316f71a14e31dbc6c08
+Subproject commit 5b9d2fcefadfc32fceafacfc0dd9441d9b57dd94
