K 10
svn:author
V 6
pkubaj
K 8
svn:date
V 27
2020-01-31T16:32:18.363562Z
K 7
svn:log
V 131
lang/ruby26: fix build on 12

Use GCC9 only on head, ruby fails to build otherwise.

PR:		242630
Reported by:	lfmorrison@gmail.com

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