Some issues regarding annotations.

test/normalizer_issue_files/allowed_syntax.py

@@ -9,6 +9,12 @@ from __future__ import division
 ''r''u''
 b'' BR''
 
+foo: int = 4
+(foo): int = 3
+((foo)): int = 3
+foo.bar: int
+foo[3]: int
+
 for x in [1]:
     try:
         continue  # Only the other continue and pass is an error.

test/test_python_errors.py

@@ -79,6 +79,17 @@ def test_indentation_errors(code, positions):
         #'(True,) = x',
         #'([False], a) = x',
         #'__debug__ = 1'
+        # Mostly 3.6 relevant
+        '[]: int',
+        '[a, b]: int',
+        '(): int',
+        '(()): int',
+        '((())): int',
+        '{}: int',
+        'True: int',
+        '(a, b): int',
+        '*star,: int',
+        'a, b: int = 3',
 
         # IndentationError
         ' foo',