Roll clang 332335:332838.

Ran `tools/clang/scripts/upload_revision.py 332838`.

Bug: 844392
Change-Id: I1a6288f8ba56f52bc2ec7c9c50ac2af4bf590b4f
Reviewed-on: https://chromium-review.googlesource.com/1067108Reviewed-by: Peter Collingbourne <pcc@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#560330}

tools/clang/scripts/update.py

@@ -27,7 +27,7 @@ import zipfile
 # Do NOT CHANGE this if you don't know what you're doing -- see
 # https://chromium.googlesource.com/chromium/src/+/master/docs/updating_clang.md
 # Reverting problematic clang rolls is safe, though.
-CLANG_REVISION = '332335'
+CLANG_REVISION = '332838'
 
 use_head_revision = bool(os.environ.get('LLVM_FORCE_HEAD_REVISION', '0')
                          in ('1', 'YES'))