Update LLVM to fix GlobalISel dbg.declare

cuviper · cuviper · commit af0f822edfde · 2018-09-11T11:59:50.000-07:00
Fixes rust-lang#49807.
diff --git a/src/llvm b/src/llvm
@@ -1 +1 @@
-Subproject commit 2a1cdeadd3ea8e1eba9cc681037b83f07332763b
+Subproject commit 5a081f0363340dd895d0958955d0c84661f60f05
diff --git 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.
-2018-08-22
+2018-09-11
