patch 8.2.3847: illegal memory access when using a lambda with an error

Problem:    Illegal memory access when using a lambda with an error.
Solution:   Avoid skipping over the NUL after a string.
diff --git a/src/testdir/test_lambda.vim b/src/testdir/test_lambda.vim
index e173ea3..e6dcb67 100644
--- a/src/testdir/test_lambda.vim
+++ b/src/testdir/test_lambda.vim
@@ -64,6 +64,8 @@
   call assert_fails('echo {a, a -> a + a}(1, 2)', 'E853:')
   call assert_fails('echo {a, b -> a + b)}(1, 2)', 'E451:')
   echo assert_fails('echo 10->{a -> a + 2}', 'E107:')
+
+  call assert_fails('eval 0->(', "E110: Missing ')'")
 endfunc
 
 func Test_not_lamda()