diff --git a/src/llvm b/src/llvm
index 8e1e6e6ff18a2..2153316469829 160000
--- a/src/llvm
+++ b/src/llvm
@@ -1 +1 @@
-Subproject commit 8e1e6e6ff18a24b417a5ec3254bb111b8a9b4713
+Subproject commit 2153316469829c338eab18835b879d01c3a986a8
diff --git a/src/rustllvm/llvm-rebuild-trigger b/src/rustllvm/llvm-rebuild-trigger
index 792b496f1dbe9..82715fd964f7a 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.
-2017-06-18
+2017-06-28