Drop C++ header compatibility test (#718)
The $CXX environment variable is not exported under the 'c' language on Travis.
B
Brett Cannon committed
77ed11552da3e01dd235b7d68988076866b1f604
Parent: 18b250f
Committed by GitHub <noreply@github.com>
on 3/19/2017, 4:49:55 PM