Update LLVM for 3.5 rebase (r209712).

Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
diff --git a/lib/CodeGen/module.modulemap b/lib/CodeGen/module.modulemap
new file mode 100644
index 0000000..d4f68bc
--- /dev/null
+++ b/lib/CodeGen/module.modulemap
@@ -0,0 +1 @@
+module CodeGen { requires cplusplus umbrella "." module * { export * } }