Description

When AnimBP and Blueprint Interface was added to the AnimBP has same name function, compiling AnimBP occur crash.

Steps to Reproduce
  1. Open attached repro proj
  2. Add BPIF_Test to TutorialTPP_Skeleton_AnimBlueprint from ClassSettings
  3. Compile TutorialTPP_Skeleton_AnimBlueprint 
  4. Crash
Callstack

UE4Editor_KismetCompiler!TArray<UEdGraph *,TSizedDefaultAllocator<32> >::FindByPredicate<<lambda_a75cdea147f303a27427b6b17d225fa1> >() [d:\build\++ue4\sync\engine\source\runtime\core\public\containers\array.h:978]
UE4Editor_KismetCompiler!FAnimBlueprintCompilerContext::PrecompileFunction() [d:\build\++ue4\sync\engine\source\editor\kismetcompiler\private\animblueprintcompiler.cpp:3326]
UE4Editor_KismetCompiler!FKismetCompilerContext::CompileClassLayout() [d:\build\++ue4\sync\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:4048]
UE4Editor_Kismet!FBlueprintCompilationManagerImpl::FlushCompilationQueueImpl() [d:\build\++ue4\sync\engine\source\editor\kismet\private\blueprintcompilationmanager.cpp:1040]
UE4Editor_Kismet!FBlueprintCompilationManagerImpl::CompileSynchronouslyImpl() [d:\build\++ue4\sync\engine\source\editor\kismet\private\blueprintcompilationmanager.cpp:239]
UE4Editor_UnrealEd!FKismetEditorUtilities::CompileBlueprint() [d:\build\++ue4\sync\engine\source\editor\unrealed\private\kismet2\kismet2.cpp:779]
UE4Editor_Kismet!FBlueprintEditor::Compile() [d:\build\++ue4\sync\engine\source\editor\kismet\private\blueprinteditor.cpp:3370]
UE4Editor_AnimationBlueprintEditor!FAnimationBlueprintEditor::Compile() [d:\build\++ue4\sync\engine\source\editor\animationblueprinteditor\private\animationblueprinteditor.cpp:1146]
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl(void)>::ExecuteIfSafe() [d:\build\++ue4\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:369]
UE4Editor_Slate!FUICommandList::ExecuteAction() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:102]
UE4Editor_Slate!SToolBarButtonBlock::OnClicked() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\multibox\stoolbarbuttonblock.cpp:300]
UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl(void)>::Execute() [d:\build\++ue4\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:293]
UE4Editor_Slate!SButton::ExecuteOnClick() [d:\build\++ue4\sync\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:379]
UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\build\++ue4\sync\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:303]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_6c1f6b862bcfb82ea6dcab28fbcc9463> >() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:273]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5707]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:6312]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:6285]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [d:\build\++ue4\sync\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1880]
UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [d:\build\++ue4\sync\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:2332]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [d:\build\++ue4\sync\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1560]
UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [d:\build\++ue4\sync\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:790]
user32
user32
UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [d:\build\++ue4\sync\engine\source\runtime\applicationcore\private\windows\windowsplatformapplicationmisc.cpp:130]
UE4Editor!FEngineLoop::Tick() [d:\build\++ue4\sync\engine\source\runtime\launch\private\launchengineloop.cpp:4169]
UE4Editor!GuardedMain() [d:\build\++ue4\sync\engine\source\runtime\launch\private\launch.cpp:173]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:147]
UE4Editor!WinMain() [d:\build\++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:279]
UE4Editor!__scrt_common_main_seh() [d:\agent\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

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Unresolved
ComponentAnim
Affects Versions4.23.14.24
Target Fix4.25
CreatedNov 12, 2019
UpdatedNov 12, 2019