Roll src/third_party/re2/src/ 5185d8526..4c916c947 (53 commits)

https://chromium.googlesource.com/external/github.com/google/re2.git/+log/5185d85264d2..4c916c947ab7

$ git log 5185d8526..4c916c947 --date=short --no-merges --format='%ad %ae %s'
2018-09-03 junyer Adjust a couple of the limits for fuzzing.
2018-08-30 junyer Keep the assert(3) call at the top of the function.
2018-08-30 junyer Check before matching in order to avoid wasting time.
2018-08-30 junyer That didn't fix the error. Trying something else.
2018-08-30 junyer Address MSVC error and warnings. Sigh.
2018-08-30 junyer Add PODArray<> and make BitState use it.
2018-08-28 dsturtevant Move some function documentation closer to the documented functions.
2018-08-25 junyer Tweak a couple of comments.
2018-08-16 lietar Remove NULL case from search_test.
2018-07-11 junyer Fix the "DFA out of memory" error for the reverse Prog.
2018-06-23 keller.e.ben Include operator<<() for StringPiece in libre2.so
2018-06-17 junyer Update Unicode data to 11.0.0.
2018-05-16 junyer Address `-Wclass-memaccess' warnings from GCC 8.x.
2018-05-14 junyer MSVC still needs the pragma in util/logging.h. Sigh.
2018-05-14 junyer Add GCC 8.x to the Travis CI matrix.
2018-05-14 junyer Tweak the FALLTHROUGH_INTENDED macro. Add the ATTRIBUTE_NORETURN macro.
2018-05-05 junyer Use the standard first-byte analysis for the DFA too.
2018-04-23 junyer Add more support for empty prefilter_vec_ to PrefilterTree.
2018-03-15 junyer Note more languages' package sites.
2018-03-06 junyer Try to suppress warnings with FALLTHROUGH_INTENDED.
2018-03-06 junyer We need ubuntu-toolchain-r-test again?
2018-03-06 junyer travis-ci/apt-source-whitelist is no longer updated.
2018-03-06 junyer Add Clang 6.0 to the Travis CI matrix.
2018-03-04 junyer Kludge around System Integrity Protection on Darwin.
2018-02-22 junyer Oops, not in DeBruijnString() though.
2018-02-22 junyer Use ASSERT* macros instead of CHECK* macros in tests.
2018-02-18 junyer Configure CI using Bazel on macOS and on Windows.
2018-02-18 sayrer Omit -pthread option on Darwin
2018-02-18 junyer Try to make windows-cmake.bat more readable.
2018-02-18 junyer regexp_benchmark doesn't need linkopts.
2018-02-15 ckennelly Use sized deallocation for RE2's DFA.
2018-02-13 junyer Don't #include <sys/resource.h> anymore.
2018-02-08 junyer Stop using StringPiece::ToString().
2018-02-06 junyer Fix some formatting inconsistencies.
2018-01-28 hansenr Add a std::nullptr_t ctor overload to RE2::Arg.
2018-01-11 junyer Tweak the BUILD file formatting.
2018-01-10 loorongjie [Bazel] Do not set -pthread etc. on Windows
2017-12-19 junyer Just /source-charset:utf-8 didn't work. Try /utf-8.
2017-12-19 junyer Specify the source character set for MSVC.
2017-12-13 junyer Try to appease MSVC another way. Sigh.
2017-12-13 junyer Address a couple of MSVC warnings.
2017-12-13 junyer Fix a silly off-by-one error.
2017-12-13 junyer Require Visual Studio 2015 or later.
2017-12-13 junyer Try specifying Visual Studio 14 2015 instead.
2017-12-13 junyer Make CTest extra verbose temporarily.
2017-12-13 junyer Make Regexp::FactorAlternation() not recursive.
2017-12-11 junyer Tweak factoring code and comments for consistency.
2017-12-11 junyer Split Regexp::FactorAlternationRecursive() into rounds.
2017-12-11 junyer Fix the Regexp::FactorAlternation*() argument names.
2017-12-08 junyer Retire Regexp::FactorAlternationRecursive() round 4.
2017-12-07 junyer Write size_t{4} for brevity.
2017-12-07 junyer Adjust the comment to be about GCC 6.x (for x >= 1).
2017-12-06 junyer Test past kFactorAlternationMaxDepth (8).

Created with:
  roll-dep src/third_party/re2/src

Bug: 874727
Change-Id: I33fdf09b753e80e0d375c62344a1150595e523f9
Reviewed-on: https://chromium-review.googlesource.com/1219232Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Max Moroz <mmoroz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590361}

DEPS

@@ -999,7 +999,7 @@ deps = {
   },
 
   'src/third_party/re2/src':
-    Var('chromium_git') + '/external/github.com/google/re2.git' + '@' + '5185d85264d23cfae4b38e2703703e9a4c8e974c',
+    Var('chromium_git') + '/external/github.com/google/re2.git' + '@' + '4c916c947ab7f2ba2d280bb8c87540c365d30695',
 
   'src/third_party/r8': {
       'packages': [