Auto merge of #32280 - japaric:rt, r=alexcrichton

bors · bors · commit e68d40edf494 · 2016-03-16T05:26:06.000-07:00
update compiler-rt submodule fixes #32194 also see rust-lang/compiler-rt#17 r? @alexcrichton
diff --git a/src/compiler-rt b/src/compiler-rt
@@ -1 +1 @@
-Subproject commit b6087e82ba1384c4af3adf2dc68e92316f0d4caf
+Subproject commit 57315f7e07d09b6f0341ebbcd50dded6c20d782f
