release 2019-06-01
Add GCC 9.x to the Travis CI matrix.

Change-Id: I5f7e3ea5fdd23ff181f8d1037e86f7578d21ab0b
Reviewed-on: https://code-review.googlesource.com/c/re2/+/41350
Reviewed-by: Paul Wankadia <junyer@google.com>
1 file changed