pr-10904-821ccd vs. 5.0-17027 / ogl-lin-mesa / tos-invis-char

pr-10904-821ccd (821ccd76) Diff 5.0-17027 (1ea0c775)
Failure 9aef59cea1e7c35d069afabd9f8d880826e7c31b
Failure 8148e75663653d99b9d97580dd20bbc07f5c5cb3
Failure 2e8c21e238fd947ff5fbeb4f90d1147ae889dfce
Failure ec0fa73a1d18ecb1d066df53207ef3c110cc154c