patch 8.0.1423: error in return not caught by try/catch

Problem:    Error in return not caught by try/catch.
Solution:   Call update_force_abort(). (Yasuhiro Matsomoto, closes #2483)

src/testdir/test_eval_stuff.vim

@@ -0,0 +1,13 @@
+" Tests for various eval things.
+
+function s:foo() abort
+  try
+    return [] == 0
+  catch
+    return 1
+  endtry
+endfunction
+
+func Test_catch_return_with_error()
+  call assert_equal(1, s:foo())
+endfunc