#0  add<WTF::HashMapTranslator<WTF::HashMapValueTraits<WTF::HashTraits<int>, WTF::HashTraits<WebKit::CoordinatedBackingStoreTile> >, WTF::IntHash<unsigned int> >, int, WebKit::CoordinatedBackingStoreTile> (extra=..., key=<synthetic pointer>, this=0x10) at ../WTF/wtf/HashTable.h:815
  [Error: ../WTF/wtf/HashTable.h was not found in source tree]
#1  inlineAdd (mapped=..., key=<synthetic pointer>, this=0x10) at ../WTF/wtf/HashMap.h:340
  [Error: ../WTF/wtf/HashMap.h was not found in source tree]
#2  add (mapped=..., key=<synthetic pointer>, this=0x10) at ../WTF/wtf/HashMap.h:367
  [Error: ../WTF/wtf/HashMap.h was not found in source tree]
#3  WebKit::CoordinatedBackingStore::createTile (this=0x0, id=73, scale=<unavailable>) at UIProcess/CoordinatedGraphics/CoordinatedBackingStore.cpp:70
  [Error: UIProcess/CoordinatedGraphics/CoordinatedBackingStore.cpp was not found in source tree]
#4  0x00007fb598cc53bb in operator() (this=<optimized out>) at ../WTF/wtf/Functional.h:613
  [Error: ../WTF/wtf/Functional.h was not found in source tree]
#5  WebKit::LayerTreeRenderer::syncRemoteContent (this=this@entry=0x7fb5b809fc00) at UIProcess/CoordinatedGraphics/LayerTreeRenderer.cpp:647
  [Error: UIProcess/CoordinatedGraphics/LayerTreeRenderer.cpp was not found in source tree]
#6  0x00007fb598cc5f86 in WebKit::LayerTreeRenderer::paintToCurrentGLContext (this=0x7fb5b809fc00, matrix=..., opacity=1, clipRect=..., PaintFlags=0) at UIProcess/CoordinatedGraphics/LayerTreeRenderer.cpp:107
  [Error: UIProcess/CoordinatedGraphics/LayerTreeRenderer.cpp was not found in source tree]
#7  0x00007fb598dce571 in WebKit::ContentsSGNode::render (this=0x7fb5301ea500, state=...) at UIProcess/qt/QtWebPageSGNode.cpp:59
  [Error: UIProcess/qt/QtWebPageSGNode.cpp was not found in source tree]
#8  0x00007fb5cfc47aa4 in QSGDefaultRenderer::renderNodes (this=this@entry=0x7fb53011b6a0, nodes=<optimized out>, count=count@entry=10) at scenegraph/coreapi/qsgdefaultrenderer.cpp:409
  [Error: scenegraph/coreapi/qsgdefaultrenderer.cpp was not found in source tree]
#9  0x00007fb5cfc4853c in QSGDefaultRenderer::render (this=0x7fb53011b6a0) at scenegraph/coreapi/qsgdefaultrenderer.cpp:281
  [Error: scenegraph/coreapi/qsgdefaultrenderer.cpp was not found in source tree]
#10 0x00007fb5cfc4dcb8 in QSGRenderer::renderScene (this=0x7fb53011b6a0, bindable=...) at scenegraph/coreapi/qsgrenderer.cpp:271
  [Error: scenegraph/coreapi/qsgrenderer.cpp was not found in source tree]
#11 0x00007fb5cfc4dde7 in QSGRenderer::renderScene (this=<optimized out>) at scenegraph/coreapi/qsgrenderer.cpp:229
  [Error: scenegraph/coreapi/qsgrenderer.cpp was not found in source tree]
#12 0x00007fb5cfc57345 in QSGContext::renderNextFrame (this=<optimized out>, renderer=0x7fb53011b6a0, fboId=<optimized out>) at scenegraph/qsgcontext.cpp:270
  [Error: scenegraph/qsgcontext.cpp was not found in source tree]
#13 0x00007fb5cfc8436a in QQuickWindowPrivate::renderSceneGraph (this=0x7fb5d2137f30, size=...) at items/qquickwindow.cpp:349
  [Error: items/qquickwindow.cpp was not found in source tree]
#14 0x00007fb5cfd66363 in QQuickRenderThreadSingleContextWindowManager::run (this=0x7fb5d2138920) at items/qquickthreadedwindowmanager.cpp:456
  [Error: items/qquickthreadedwindowmanager.cpp was not found in source tree]
#15 0x00007fb5d0929186 in QThreadPrivate::start (arg=0x7fb5d2138920) at thread/qthread_unix.cpp:333
  [Error: thread/qthread_unix.cpp was not found in source tree]
#16 0x00007fb5ce2fe182 in start_thread (arg=0x7fb53749f700) at pthread_create.c:312
  [Error: pthread_create.c was not found in source tree]
#17 0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]