Vladimír Čunát 53998f5036 treewide: purge explicit usage of gcc6 ... It's now the default. /cc #19456 This makes a real build simplification, because in our current bootstrapping+aliases, `gcc6` attribute is not the default compiler but a derivation *built by* the default compiler. nix-exec didn't build before this commit already		2017-09-03 09:57:20 +02:00
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default.nix