[Ci-reports] fail on QtBase_5.4_Integration #375

[Qt Continuous Integration System]

`make' failed :(

  /Developer/usr/bin/clang++ -c -pipe -O2 -isysroot /Developer/SDKs/MacOSX10.7.sdk -std=c++11 -stdlib=libc++ -mmacosx-version-min=10.7 -fno-exceptions -Wall -W -fPIE -DQT_NO_MTDEV -DQT_NO_LIBUDEV -DQT_NO_EVDEV -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_CORE_LIB -DQT_NAMESPACE=TestNamespace -DQT_TESTCASE_BUILDDIR=\"/work/build/qt/qtbase/tests/benchmarks/corelib/tools/qstringcompare\" -I../../../../../mkspecs/macx-clang -I. -I../../../../../lib/QtTest.framework/Versions/5/Headers -I../../../../../lib/QtCore.framework/Versions/5/Headers -I.moc -F/work/build/qt/qtbase/lib -o .obj/tst_qstringcompare.o tst_qstringcompare.cpp
  make[6]: *** [.obj/tst_qstringcompare.o] Error 1
  make[5]: *** [sub-qstringcompare-make_first] Error 2
  make[4]: *** [sub-tools-make_first] Error 2
  make[3]: *** [sub-corelib-make_first] Error 2
  make[2]: *** [sub-benchmarks-make_first] Error 2
  make[1]: *** [sub-tests-make_first] Error 2
  make: *** [module-qtbase] Error 2

  Build log: http://testresults.qt-project.org/ci/QtBase_5.4_Integration/build_00375/macx-clang_developer-build_qtnamespace_OSX_10.7/log.txt.gz

  Tested changes (refs/builds/5.4_1411764036):
    http://codereview.qt-project.org/95627 [PS3] - Logging: Disable tracking of debug source info for release builds
    http://codereview.qt-project.org/95272 [PS6] - Add benchmark for comparing QString's to a literal
    http://codereview.qt-project.org/95655 [PS1] - create_cmake: Make the warning actually useful.