[PATCH] D30725: [FileCheck] Added [[@CLEAR:regex]] as a way to clear variables.

[Artem Belevich via Phabricator via llvm-commits]

tra added a comment.

@hfinkel I like the global/local split. `@` would clash with `@LINE[-+]N` expression we currently support, but we could use some other prefix instead. `$` ?


https://reviews.llvm.org/D30725