patch 8.2.2081: Vim9: cannot handle a linebreak after "=" in assignment

Problem:    Vim9: cannot handle a linebreak after "=" in assignment.
Solution:   Skip over linebreak. (closes #7407)
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index 7658d83..1d8a86f 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -225,6 +225,21 @@
   END
 enddef
 
+def Test_assign_linebreak()
+  var nr: number
+  nr =
+      123
+  assert_equal(123, nr)
+
+  var n2: number
+  [nr, n2] =
+     [12, 34]
+  assert_equal(12, nr)
+  assert_equal(34, n2)
+
+  CheckDefFailure(["var x = #"], 'E1097:', 2)
+enddef
+
 def Test_assign_index()
   # list of list
   var l1: list<number>
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 57307a2..d93751e 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1940,7 +1940,6 @@
   CheckDefFailure(["var x = {'a': xxx}"], 'E1001:', 1)
   CheckDefFailure(["var x = {xx-x: 8}"], 'E1001:', 1)
   CheckDefFailure(["var x = #{a: 1, a: 2}"], 'E721:', 1)
-  CheckDefFailure(["var x = #"], 'E1015:', 1)
   CheckDefExecFailure(["var x = g:anint.member"], 'E715:', 1)
   CheckDefExecFailure(["var x = g:dict_empty.member"], 'E716:', 1)