tree 49b24c03d3b509454ea0acf46ea8c79240aff1b6
parent cb0bfd0f407cb799143a95fe378f07164f4d0a65
author Damien Neil <dneil@google.com> 1580252024 -0800
committer Damien Neil <dneil@google.com> 1580254078 +0000

proto: fix DiscardUnknown

UnmarshalOptions.DiscardUnknown was simply not working. Oops. Fix it.
Add a test.

Change-Id: I76888eae1221d99a007f0e9cdb711d292e6856b1
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/216762
Reviewed-by: Joe Tsai <joetsai@google.com>