FIN/CRT: adopt all applicable rust compiler-rt patches

TimNN · TimNN · commit f622542b6498 · 2017-04-23T22:00:01.000+02:00
diff --git a/src/compiler-rt b/src/compiler-rt
@@ -1 +1 @@
-Subproject commit 1fdc27db84c9d0d9ae4ae60185629e8c43b4a11c
+Subproject commit c8a8767c56ad3d3f4eb45c87b95026936fb9aa35
