[Ci-reports] fail on QtWebEngine_master_Integration #264

[Qt Continuous Integration System]

Compilation failed :(

  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ArrayBufferContents.cpp:31:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/WTF.h:36:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/PartitionAlloc.h:90:
  ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ByteSwap.h:59:53: error: use of undeclared identifier '__builtin_bswap16'
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ArrayBuffer.cpp:27:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ArrayBuffer.h:30:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/HashSet.h:25:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/HashTable.h:28:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/PartitionAlloc.h:90:
  ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ByteSwap.h:59:53: error: use of undeclared identifier '__builtin_bswap16'
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ArrayBufferBuilder.cpp:32:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ArrayBufferBuilder.h:34:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ArrayBuffer.h:30:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/HashSet.h:25:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/HashTable.h:28:
  In file included from ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/PartitionAlloc.h:90:
  ../../../src/3rdparty/chromium/third_party/WebKit/Source/wtf/ByteSwap.h:59:53: error: use of undeclared identifier '__builtin_bswap16'
  make[3]: *** [invoke_ninja] Error 1
  make[2]: *** [sub-gyp_run-pro-make_first] Error 2
  make[1]: *** [sub-core-make_first] Error 2
  make: *** [sub-src-make_first] Error 2

  Build log: http://testresults.qt-project.org/ci/QtWebEngine_master_Integration/build_00264/macx-clang_developer-build_OSX_10.8/log.txt.gz

  Tested changes (refs/builds/master_1395959190):
    http://codereview.qt-project.org/82053 [PS1] - [Mac] Print XCode and clang++ versions for debugging.
    http://codereview.qt-project.org/80986 [PS11] - Adapt to API changes in new stable branch 1750