Double free on ClangCodeModel

custom build of QtCreator with this patch https://git.archlinux.org/svntogit/packages.git/tree/trunk/qtcreator-clang-libs.patch?h=packages/qtcreator&id=5a4f509beb753ae48120b5f0b43ae8b84f6820d9 against LLVM 10 {noformat} Qt 5.15.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 10.1.0) on "xcb" OS: Arch Linux [linux version 5.6.16-1-ck] Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 Environment:   QT_AUTO_SCREEN_SCALE_FACTOR="0" Features: QT_NO_EXCEPTIONS Library info:   PrefixPath: /usr   DocumentationPath: /usr/share/doc/qt   HeadersPath: /usr/include/qt   LibrariesPath: /usr/lib   LibraryExecutablesPath: /usr/lib/qt/libexec   BinariesPath: /usr/bin   PluginsPath: /usr/lib/qt/plugins   ImportsPath: /usr/lib/qt/imports   Qml2ImportsPath: /usr/lib/qt/qml   ArchDataPath: /usr/lib/qt   DataPath: /usr/share/qt   TranslationsPath: /usr/share/qt/translations   ExamplesPath: /usr/share/doc/qt/examples   TestsPath: /usr/tests   SettingsPath: /etc/xdg Standard paths [*...* denote writable entry]:   DesktopLocation: "Desktop" */home/arthapz/Desktop*   DocumentsLocation: "Documents" */home/arthapz/Documents*   FontsLocation: "Fonts" */home/arthapz/.local/share/fonts* /home/arthapz/.fonts /usr/local/share/fonts /usr/share/fonts   ApplicationsLocation: "Applications" */home/arthapz/.local/share/applications* /usr/local/share/applications /usr/share/applications   MusicLocation: "Music" */home/arthapz/Music*   MoviesLocation: "Movies" */home/arthapz/Videos*   PicturesLocation: "Pictures" */home/arthapz/Pictures*   TempLocation: "Temporary Directory" */tmp*   HomeLocation: "Home" */home/arthapz*   AppLocalDataLocation: "Application Data" */home/arthapz/.local/share/QtProject/qtdiag* /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag   CacheLocation: "Cache" */home/arthapz/.cache/QtProject/qtdiag*   GenericDataLocation: "Shared Data" */home/arthapz/.local/share* /usr/local/share /usr/share   RuntimeLocation: "Runtime" */run/user/1000*   ConfigLocation: "Configuration" */home/arthapz/.config* /etc/xdg   DownloadLocation: "Download" */home/arthapz/Downloads*   GenericCacheLocation: "Shared Cache" */home/arthapz/.cache*   GenericConfigLocation: "Shared Configuration" */home/arthapz/.config* /etc/xdg   AppDataLocation: "Application Data" */home/arthapz/.local/share/QtProject/qtdiag* /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag   AppConfigLocation: "Application Configuration" */home/arthapz/.config/QtProject/qtdiag* /etc/xdg/QtProject/qtdiag File selectors (increasing order of precedence):   fr_FR unix linux arch Network:   Using "OpenSSL 1.1.1g 21 Apr 2020", version: 0x1010107f Platform capabilities: ThreadedPixmaps OpenGL ThreadedOpenGL WindowMasks MultipleWindows ForeignWindows NonFullScreenWindows NativeWidgets WindowManagement SyncState RasterGLSurface SwitchableWidgetComposition Style hints:   mouseDoubleClickInterval: 400   mousePressAndHoldInterval: 800   startDragDistance: 10   startDragTime: 500   startDragVelocity: 0   keyboardInputInterval: 400   keyboardAutoRepeatRate: 30   cursorFlashTime: 1000   showIsFullScreen: 0   showIsMaximized: 0   passwordMaskDelay: 0   passwordMaskCharacter: U+25CF   fontSmoothingGamma: 1.7   useRtlExtensions: 0   setFocusOnTouchRelease: 0   tabFocusBehavior: Qt::TabFocusAllControls   singleClickActivation: 0 Additional style hints (QPlatformIntegration):   ReplayMousePressOutsidePopup: 0 Theme:   Platforms requested : kde,generic             available : kde,gtk3,snap,flatpak,xdgdesktopportal   Styles requested : Breeze,breeze,oxygen,fusion,windows          available : Breeze,Oxygen,Windows,Fusion   Icon theme : breeze-dark, hicolor from /usr/share/icons   System font : "Noto Sans" 10 Fonts:   General font : "Noto Sans" 10   Fixed font : "Hack" 9   Title font : "Noto Sans" 10   Smallest font: "Noto Sans" 8 Palette:   QPalette::WindowText: #ffeff0f1   QPalette::Button: #ff31363b   QPalette::Light: #ff454c54   QPalette::Midlight: #ff3c4248   QPalette::Dark: #ff1c1f22   QPalette::Mid: #ff2b2f34   QPalette::Text: #ffeff0f1   QPalette::BrightText: #ffffffff   QPalette::ButtonText: #ffeff0f1   QPalette::Base: #ff232629   QPalette::Window: #ff31363b   QPalette::Shadow: #ff141719   QPalette::Highlight: #ff3daee9   QPalette::HighlightedText: #ffeff0f1   QPalette::Link: #ff2980b9   QPalette::LinkVisited: #ff7f8c8d   QPalette::AlternateBase: #ff31363b   QPalette::NoRole: #ff000000   QPalette::ToolTipBase: #ff31363b   QPalette::ToolTipText: #ffeff0f1   QPalette::PlaceholderText: #80eff0f1 Screens: 2, High DPI scaling: inactive # 0 "DP-1" Depth: 24 Primary: yes   Manufacturer: Acer Technologies   Model: XG270HU-   Serial number: T1TEE0018523-   Geometry: 2560x1440+0+0 Available: 2560x1440+0+0   Virtual geometry: 4480x1440+0+0 Available: 4480x1440+0+0   2 virtual siblings   Physical size: 597x336 mm Refresh: 59.9506 Hz Power state: 0   Physical DPI: 108.918,108.857 Logical DPI: 96.027,96 Subpixel_None   DevicePixelRatio: 1 Pixel density: 1   Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0 # 1 "HDMI-1" Depth: 24 Primary: no   Manufacturer: Acer Technologies   Model: R271-   Serial number: T60EE0012410-   Geometry: 1920x1080+2560+0 Available: 1920x1080+2560+0   Virtual geometry: 4480x1440+0+0 Available: 4480x1440+0+0   2 virtual siblings   Physical size: 598x336 mm Refresh: 60 Hz Power state: 0   Physical DPI: 81.5518,81.6429 Logical DPI: 96.027,96 Subpixel_None   DevicePixelRatio: 1 Pixel density: 1   Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0 LibGL Vendor: X.Org Renderer: AMD Radeon RX 5700 XT (NAVI10, DRM 3.36.0, 5.6.16-1-ck, LLVM 10.0.0) Version: 4.6 (Compatibility Profile) Mesa 20.0.7 Shading language: 4.60 Format: Version: 4.6 Profile: 2 Swap behavior: 0 Buffer size (RGB): 8,8,8 Profile: None (QOpenGLFunctions_4_6) Vulkan instance available Supported instance extensions:   VK_KHR_surface, version 25   VK_KHR_xcb_surface, version 6   VK_KHR_xlib_surface, version 6   VK_KHR_wayland_surface, version 6   VK_KHR_get_physical_device_properties2, version 2   VK_KHR_get_surface_capabilities2, version 1   VK_KHR_external_memory_capabilities, version 1   VK_KHR_device_group_creation, version 1   VK_KHR_external_semaphore_capabilities, version 1   VK_KHR_external_fence_capabilities, version 1   VK_EXT_debug_report, version 9   VK_KHR_display, version 23   VK_EXT_direct_mode_display, version 1   VK_KHR_get_display_properties2, version 1   VK_EXT_debug_utils, version 2   VK_EXT_display_surface_counter, version 1 Supported layers:   VK_LAYER_LUNARG_device_simulation, version 1, spec version 1.2.135, LunarG device simulation layer   VK_LAYER_LUNARG_screenshot, version 1, spec version 1.2.135, LunarG image capture layer   VK_LAYER_LUNARG_monitor, version 1, spec version 1.2.135, Execution Monitoring Layer   VK_LAYER_LUNARG_vktrace, version 1, spec version 1.2.135, Vktrace tracing library   VK_LAYER_LUNARG_api_dump, version 2, spec version 1.2.135, LunarG API dump layer   VK_LAYER_KHRONOS_validation, version 1, spec version 1.2.140, Khronos Validation Layer Available physical devices:   API version 1.2.139, vendor 0x1002, device 0x731F, AMD Radeon RX 5700 XT, type 2, driver version 2.0.147 Qt Rendering Hardware Interface supported backends: OpenGL (with default QSurfaceFormat):   Min Texture Size: 1   Max Texture Size: 16384   Max Color Attachments: 8   Frames in Flight: 1   Uniform Buffer Alignment: 1   Supported MSAA sample counts: 1,2,4,8   Features:     - MultisampleTexture     v MultisampleRenderBuffer     - DebugMarkers     - Timestamps     v Instancing     - CustomInstanceStepRate     v PrimitiveRestart     v NonDynamicUniformBuffers     v NonFourAlignedEffectiveIndexBufferOffset     v NPOTTextureRepeat     - RedOrAlpha8IsRed     v ElementIndexUint     v Compute     v WideLines     v VertexShaderPointSize     v BaseVertex     - BaseInstance     v TriangleFanTopology     v ReadBackNonUniformBuffer     v ReadBackNonBaseMipLevel   Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC3 BC5 ETC2_RGB8 ETC2_RGB8A1 ETC2_RGBA8 Vulkan:   Min Texture Size: 1   Max Texture Size: 16384   Max Color Attachments: 8   Frames in Flight: 2   Uniform Buffer Alignment: 16   Supported MSAA sample counts: 1,2,4,8   Features:     v MultisampleTexture     v MultisampleRenderBuffer     - DebugMarkers     v Timestamps     v Instancing     - CustomInstanceStepRate     v PrimitiveRestart     v NonDynamicUniformBuffers     v NonFourAlignedEffectiveIndexBufferOffset     v NPOTTextureRepeat     v RedOrAlpha8IsRed     v ElementIndexUint     v Compute     v WideLines     v VertexShaderPointSize     v BaseVertex     v BaseInstance     v TriangleFanTopology     v ReadBackNonUniformBuffer     v ReadBackNonBaseMipLevel   Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7 Plugin information: + Android 4.12.82 + AutoTest 4.12.82   AutotoolsProjectManager 4.12.82   BareMetal 4.12.82 + Bazaar 4.12.82 + Beautifier 4.12.82 + BinEditor 4.12.82 + Bookmarks 4.12.82   Boot2Qt 4.12.82 + CMakeProjectManager 4.12.82 + CVS 4.12.82 + ClangCodeModel 4.12.82   ClangFormat 4.12.82 + ClangTools 4.12.82 + ClassView 4.12.82   ClearCase 4.12.82 + CodePaster 4.12.82   CompilationDatabaseProjectManager 4.12.82 + Core 4.12.82 + CppEditor 4.12.82 + CppTools 4.12.82   Cppcheck 4.12.82 + CtfVisualizer 4.12.82 + Debugger 4.12.82 + Designer 4.12.82 + DiffEditor 4.12.82   EmacsKeys 4.12.82 + FakeVim 4.12.82 + GLSLEditor 4.12.82 + GenericProjectManager 4.12.82 + Git 4.12.82   HelloWorld 4.12.82 + Help 4.12.82 + ImageViewer 4.12.82   Ios 4.12.82 + LanguageClient 4.12.82 + Macros 4.12.82 + Marketplace 4.12.82   McuSupport 4.12.82 + Mercurial 4.12.82 + MesonProjectManager 4.12.82 + ModelEditor 4.12.82   Nim 4.12.82 + PerfProfiler 4.12.82   Perforce 4.12.82 + ProjectExplorer 4.12.82 + Python 4.12.82 + QbsProjectManager 4.12.82 + QmakeProjectManager 4.12.82 + QmlDesigner 4.12.82 + QmlJSEditor 4.12.82 + QmlJSTools 4.12.82 + QmlPreview 4.12.82 + QmlProfiler 4.12.82 + QmlProjectManager 4.12.82 + Qnx 4.12.82 + QtSupport 4.12.82 + RemoteLinux 4.12.82 + ResourceEditor 4.12.82 + ScxmlEditor 4.12.82   SerialTerminal 4.12.82   SilverSearcher 4.12.82   StudioWelcome 4.12.82 + Subversion 4.12.82 + TaskList 4.12.82 + TextEditor 4.12.82 + Todo 4.12.82   UpdateInfo 4.12.82 + Valgrind 4.12.82 + VcsBase 4.12.82   WebAssembly 4.12.82 + Welcome 4.12.82   WinRt 4.12.82   layoutsupport 0.1.0   tabs 0.6.0 Qt Creator 4.13.0-beta1 (4.12.82) Based on Qt 5.15.0 (GCC 10.1.0, 64 bit) {noformat}