https://bugs.kde.org/show_bug.cgi?id=401564

--- Comment #1 from RJVB <rjvber...@gmail.com> ---
Another comparable crash where the process was killed before DrKonqi could get
a backtrace (= while it was trying to?). This time libclang printed a bit more:
see below.
I was in patchreview mode, and had just saved some more changes to a file. I
have noticed before that the clang parser and the patchreview mode don't really
like each other (sluggish performance).

```
git diff job: ("git", "diff", "--no-color", "--no-ext-diff", "--full-index",
"HEAD", "--", "/home/bertin/work/src/Scratch/KDE/kdevelop5-git")
kdevelop.plugins.clang: No parse session / AST attached to context for url
QUrl("file:///home/bertin/work/src/Scratch/KDE/kdevelop5-git/plugins/cmake/cmakeutils.cpp")
git diff job: ("git", "diff", "--no-color", "--no-ext-diff", "--full-index",
"HEAD", "--", "/home/bertin/work/src/Scratch/KDE/kdevelop5-git")
libclang: crash detected during parsing: {
  'source_filename' :
'/home/bertin/work/src/Scratch/KDE/kdevelop5-git/plugins/cmake/cmakeutils.cpp'
  'command_line_args' : ['clang', '-ferror-limit=100', '-fspell-checking', '',
'-Wunused-parameter', '-Wunreachable-code', '-Wall', '-std=c++11', '-O3', '-g',
'-std=c++0x', '-fno-operator-names', '-fno-exceptions',
'-Wno-gnu-zero-variadic-macro-arguments', '-Wall', '-Wextra', '-Wcast-align',
'-Wchar-subscripts', '-Wformat-security', '-Wno-long-long', '-Wpointer-arith',
'-Wundef', '-Wnon-virtual-dtor', '-Woverloaded-virtual', '-Wreturn-type',
'-Wvla', '-Wdate-time', '-Wzero-as-null-pointer-constant', '-fPIC',
'-fvisibility=hidden', '-fvisibility-inlines-hidden',
'-Wno-missing-field-initializers', '-Wswitch', '-Wundefined-bool-conversion',
'-Wtautological-undefined-compare', '', '-Wcovered-switch-default',
'-Wno-gnu-zero-variadic-macro-arguments', '-pedantic', '-fPIC', '-std=gnu++11',
'-nostdinc', '-nostdinc++', '-xc++', '-isystem',
'/opt/local/share/kdevclangsupport/wrappedQtHeaders', '-isystem',
'/opt/local/share/kdevclangsupport/wrappedQtHeaders/QtCore',
'-isystem/opt/local/include/KF5/KTextEditor', '-isystem/opt/local/include/KF5',
'-isystem/opt/local/include/KF5/KParts',
'-isystem/opt/local/include/KF5/KIOWidgets',
'-isystem/opt/local/include/KF5/KIOCore',
'-isystem/opt/local/include/KF5/KCoreAddons', '-isystem/opt/local/include/qt5',
'-isystem/opt/local/include/qt5/QtCore',
'-isystem/opt/local/share/qt5/mkspecs/linux-g++-64',
'-isystem/opt/local/include/KF5/KService',
'-isystem/opt/local/include/KF5/KConfigCore',
'-isystem/opt/local/include/qt5/QtNetwork',
'-isystem/opt/local/include/qt5/QtConcurrent',
'-isystem/opt/local/include/qt5/QtDBus',
'-isystem/opt/local/include/KF5/KJobWidgets',
'-isystem/opt/local/include/qt5/QtWidgets',
'-isystem/opt/local/include/qt5/QtGui',
'-isystem/opt/local/include/KF5/KCompletion',
'-isystem/opt/local/include/KF5/KWidgetsAddons',
'-isystem/opt/local/include/KF5/KXmlGui',
'-isystem/opt/local/include/qt5/QtXml',
'-isystem/opt/local/include/KF5/KConfigWidgets',
'-isystem/opt/local/include/KF5/KCodecs',
'-isystem/opt/local/include/KF5/KConfigGui',
'-isystem/opt/local/include/KF5/KAuth',
'-isystem/opt/local/include/KF5/KTextWidgets',
'-isystem/opt/local/include/KF5/SonnetUi',
'-isystem/opt/local/include/KF5/KI18n',
'-isystem/opt/local/include/KF5/ThreadWeaver', '-isystem/opt/local/include',
'-isystem/usr/include/c++/8', '-isystem/usr/include/x86_64-linux-gnu/c++/8',
'-isystem/usr/include/c++/8/backward', '-isystem/usr/local/include',
'-isystem/usr/include/x86_64-linux-gnu', '-isystem/include',
'-isystem/usr/include',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/plugins/cmake',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/plugins/cmake',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/plugins/cmake/kdevcmakecommon_autogen/include',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/plugins/cmake/parser',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform/interfaces',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform/interfaces',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform/project',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform/project',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform/util',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform/util',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform/vcs',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform/vcs',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform/outputview',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform/outputview',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform/language',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform/language',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/build/kdevplatform/serialization',
'-I/home/bertin/work/src/Scratch/KDE/kdevelop5-git/kdevplatform/serialization',
'-isystem', '/usr/lib/llvm-6.0/lib/clang/6.0.1/include', '-imacros',
'/tmp/kde-bertin/kdevelop.i27151'],
  'unsaved_files' : [],
  'options' : 781,
}
KCrash: Application 'kdevelop' crashing...
KCrash: Attempting to start /opt/local/lib/x86_64-linux-gnu/libexec/drkonqi
from kdeinit
sock_file=/run/user/505/kdeinit5__0
LIBCLANG FATAL ERROR: IO failure on output stream: Bad file descriptor
The X11 connection broke (error 1). Did the X11 server die?
FunctionDeclarationData::m_defaultParameters There were items left on
destruction: 5781
Unable to start Dr. Konqi
Re-raising signal for core dump handling.
```

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