Roll src/third_party/swiftshader 566314b3ea6d..29364a0595bc (3 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/566314b3ea6d..29364a0595bc


git log 566314b3ea6d..29364a0595bc --date=short --no-merges --format='%ad %ae %s'
2019-05-29 srisser@google.com Fix buffer overflow on Mac
2019-05-29 capn@google.com Fix initializing bits after bitfields
2019-05-29 samans@chromium.org Fix build failure


Created with:
  gclient setdep -r src/third_party/swiftshader@29364a0595bc

The AutoRoll server is located here: https://autoroll.skia.org/r/swiftshader-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel

BUG=chromium:944796,chromium:967704
TBR=swiftshader-team+autoroll@google.com

Change-Id: I9f30a3ee8c6c67e8ab654ee405274ad3f7933962
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1635220Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#664450}

DEPS

@@ -154,7 +154,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
-  'swiftshader_revision': '566314b3ea6d0d8c9f2661a4adcc9752027250c6',
+  'swiftshader_revision': '29364a0595bc52a8b80e8c286cf6a373d419b4f6',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.