[svm] interp: Detect call to MethodNotCompiledHandler and error out

Author: lewurm

substratevm/src/com.oracle.svm.interpreter/src/com/oracle/svm/interpreter/InterpreterToVM.java

@@ -897,6 +897,11 @@ public static Object dispatchInvocation(InterpreterResolvedJavaMethod seedMethod
             VMError.guarantee(!forceStayInInterpreter);
             VMError.guarantee(calleeFtnPtr.isNonNull());
 
+            // Note: This won't work when PLTGOT is involved, because each method will have its unique PLT stub address.
+            if (calleeFtnPtr.equal(InterpreterMethodPointerHolder.getMethodNotCompiledHandler())) {
+                VMError.shouldNotReachHere("Trying to dispatch to compiled code for AOT method " + seedMethod + " but it was not compiled because it was not seen as reachable by analysis");
+            }
+
             // wrapping of exceptions is done in leaveInterpreter
             retObj = InterpreterStubSection.leaveInterpreter(calleeFtnPtr, targetMethod, targetMethod.getDeclaringClass(), calleeArgs);
         } else {