Enable thread abort support in the interpreter (#121446)

This change adds check for thread abort to the INTOP_SAFEPOINT and also
to the code resuming after catch. This makes all the libraries
controlled execution tests pass.

Author: janvorli

src/coreclr/vm/interpexec.cpp

@@ -1247,6 +1247,15 @@ void InterpExecMethod(InterpreterFrame *pInterpreterFrame, InterpMethodContextFr
                 case INTOP_SAFEPOINT:
                     if (g_TrapReturningThreads)
                     {
+                        Thread *pThread = GetThread();
+                        if (pThread->IsAbortRequested())
+                        {
+                            CallWithSEHWrapper(
+                            [&pThread]() {
+                                pThread->HandleThreadAbort();
+                                return 0;
+                            });
+                        }
                         // Transition into preemptive mode to allow the GC to suspend us
                         GCX_PREEMP();
                     }
@@ -3609,6 +3618,15 @@ do                                                                      \
         pThreadContext->pStackPointer = pFrame->pStack + pMethod->allocaSize;
 
         pInterpreterFrame->SetIsFaulting(false);
+
+        Thread *pThread = GetThread();
+        if (pThread->IsAbortRequested())
+        {
+            // Record the resume IP in the pFrame so that the exception handling unwinds from there
+            pFrame->ip = ip;
+            DispatchManagedException(kThreadAbortException);
+        }
+
         goto MAIN_LOOP;
     }