tree cc83eb4584800fd0bd14ce88da2bdf62416fc160
parent 4ef3b3e0b98d36083cb330c6b386feb51421b811
author Andrey Tuganov <andreyt@google.com> 1487884072 -0500
committer David Neto <dneto@google.com> 1488338828 -0500

Issue 559: check type declaration uniqueness

Adds PassTypeUnique to the validator.
Disallows repeated declarations of all types except for aggregates.