update compiler-rt submodule

Jorge Aparicio · Jorge Aparicio · commit 34a44b59118a · 2016-03-15T22:32:38.000-05:00
fixes rust-lang#32194
diff --git a/src/compiler-rt b/src/compiler-rt
@@ -1 +1 @@
-Subproject commit b6087e82ba1384c4af3adf2dc68e92316f0d4caf
+Subproject commit 57315f7e07d09b6f0341ebbcd50dded6c20d782f
