K 10
svn:author
V 6
gerald
K 8
svn:date
V 27
2016-06-10T09:11:25.926257Z
K 7
svn:log
V 115
Now that lang/gcc6 has landed (which carries official GCC 6.x releases),
add support for USE_GCC=6 and USE_GCC=6+.

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