druntime: Revise @weak usages

kinke · kinke · commit eb97bc8adee8 · 2020-05-07T17:00:06.000+02:00
diff --git a/runtime/druntime b/runtime/druntime
@@ -1 +1 @@
-Subproject commit f554e8c4af3189a090a8a797517641b5e60ac033
+Subproject commit 1fa9c2385c3d0846844c12289fbeabbe120eb587
