Update LLVM to include a backport to restore AA performance

cc #31435

diff --git a/src/llvm b/src/llvm
index 63f3a1bfcd78355398a460712db25922247756b6..25c7dc370359433ca02f29919dfa36f94432155e 160000 (submodule)
--- a/src/llvm
+++ b/src/llvm
@@ -1 +1 @@
-Subproject commit 63f3a1bfcd78355398a460712db25922247756b6
+Subproject commit 25c7dc370359433ca02f29919dfa36f94432155e

diff --git a/src/rustllvm/llvm-auto-clean-trigger b/src/rustllvm/llvm-auto-clean-trigger
index 502ac53978e22de155c8f84cd5c3e6d9dbb5a135..d6e8852cfecfe7384489a919df0638e7b7b69e12 100644 (file)
--- a/src/rustllvm/llvm-auto-clean-trigger
+++ b/src/rustllvm/llvm-auto-clean-trigger
@@ -1,4 +1,4 @@
 # If this file is modified, then llvm will be forcibly 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.
-2016-03-15
+2016-03-18