Simplify getTypeInfoImpl handling of 'non-canonical unless dependent' types.

These types are not dependent in this context, so just look through
the sugar.

Review by Richard Smith & Eli Friedman.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186260 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed