diff --git a/src/llvm b/src/llvm
index cf85b5a8da7..1ef3b9128e1 160000
--- a/src/llvm
+++ b/src/llvm
@@ -1 +1 @@
-Subproject commit cf85b5a8da7853c4de5cc57766da8b7988c06461
+Subproject commit 1ef3b9128e1baaed61b42d5b0de79dee100acf17
diff --git a/src/rustllvm/llvm-rebuild-trigger b/src/rustllvm/llvm-rebuild-trigger
index d73d1c25e5b..70663f30e8f 100644
--- a/src/rustllvm/llvm-rebuild-trigger
+++ b/src/rustllvm/llvm-rebuild-trigger
@@ -1,4 +1,4 @@
 # If this file is modified, then llvm will be (optionally) cleaned and then rebuilt.
 # The actual contents of this file do not matter, but to trigger a change on the
 # build bots then the contents should be changed so git updates the mtime.
-2017-05-06
+2017-05-13