druntime: Integrate backtrace refactoring and fixes for libunwind

kinke · kinke · commit b5b916bb345c · 2021-01-10T23:43:06.000+01:00
diff --git a/runtime/druntime b/runtime/druntime
@@ -1 +1 @@
-Subproject commit 2e87ac3b261a9c490c6f89ba0565862f464b65ec
+Subproject commit b0a321f39b597f3d580250b06babb97946425462
