Roll clang 369647:370156.

Ran `./tools/clang/scripts/upload_revision.py 6964027315f70c6817217d8dba0368fd3a274ba3`.

Also add a temporary workaround for a pre-existing-but-now-triggered msan false positive.

TBR=thestig

Bug: 998158,998966
Change-Id: I638cc88d9d7b161c42cf849acbf6a3e0fd95d9b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1773745
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#693834}

chromeos/printing/ppd_line_reader.cc

@@ -108,7 +108,9 @@ class PpdLineReaderImpl : public PpdLineReader {
 
   // Skip input until we hit a newline (which is discarded).  If
   // we encounter eof before a newline, false is returned.
-  bool SkipToNextLine() {
+  // TODO(thakis): Remove NOINLINE once the msan fix for
+  // https://crbug.com/998966 is rolled in.
+  bool SkipToNextLine() NOINLINE {
     while (true) {
       char c = NextChar();
       if (Eof()) {

tools/clang/scripts/update.py

@@ -37,9 +37,9 @@ 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 = '8288453f6aac05080b751b680455349e09d49825'
-CLANG_SVN_REVISION = '369647'
-CLANG_SUB_REVISION = 2
+CLANG_REVISION = '6964027315f70c6817217d8dba0368fd3a274ba3'
+CLANG_SVN_REVISION = '370156'
+CLANG_SUB_REVISION = 1
 
 PACKAGE_VERSION = '%s-%s-%s' % (CLANG_SVN_REVISION, CLANG_REVISION[:8],
                                 CLANG_SUB_REVISION)