https://bugs.kde.org/show_bug.cgi?id=413364

            Bug ID: 413364
           Summary: Crash when background parser is done/almost done
           Product: kdevelop
           Version: 5.3.1
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kdevelop-bugs-n...@kde.org
          Reporter: joachim.reic...@gmx.de
  Target Milestone: ---

Created attachment 123440
  --> https://bugs.kde.org/attachment.cgi?id=123440&action=edit
Full backtrace

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.19.0-6-amd64 x86_64
Distribution: Debian GNU/Linux 10 (buster)
Clang version (debian package version): 1:7.0.1-8

- What I was doing when the application crashed:

When I open a particular project, the background parser starts updating its
database. For a long time it shows 99% and one particular filename (I don't
think it takes that long for that rather small file, I guess it just not
updating the window). Eventually, kdevelop crashes. I don't interact with
kdevelop at that time at all.

The crash can be reproduced every time.

Full backtrace as attachment.

Thread 17 (Thread 0x7f931e7fc700 (LWP 1642)):
[KCrash Handler]
#6  0x0000000000002df1 in  ()
#7  0x00007f9336c05070 in operator() () at
/usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/bits/unique_ptr.h:81
#8  0x00007f9336c05070 in ~unique_ptr () at
/usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/bits/unique_ptr.h:274
#9  0x00007f9336c05070 in ~ASTUnit() () at
/build/llvm-toolchain-7-qQrbAC/llvm-toolchain-7-7.0.1/tools/clang/lib/Frontend/ASTUnit.cpp:272
#10 0x00007f9336c14582 in
llvm::CrashRecoveryContextDeleteCleanup<clang::ASTUnit>::recoverResources() ()
at
/build/llvm-toolchain-7-qQrbAC/llvm-toolchain-7-7.0.1/include/llvm/Support/CrashRecoveryContext.h:190
#11 0x00007f932cf4b701 in llvm::CrashRecoveryContext::~CrashRecoveryContext()
() at /usr/lib/x86_64-linux-gnu/libLLVM-7.so.1
#12 0x00007f93369ae688 in clang_parseTranslationUnit2FullArgv() () at
/build/llvm-toolchain-7-qQrbAC/llvm-toolchain-7-7.0.1/tools/clang/tools/libclang/CIndex.cpp:3593
#13 0x00007f93369ae31f in clang_parseTranslationUnit2() () at
/build/llvm-toolchain-7-qQrbAC/llvm-toolchain-7-7.0.1/tools/clang/tools/libclang/CIndex.cpp:3537
#14 0x00007f934495dc65 in
ParseSessionData::ParseSessionData(QVector<UnsavedFile> const&, ClangIndex*,
ClangParsingEnvironment const&, QFlags<ParseSessionData::Option>) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.31

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