core/std: squash dead_code warnings from fail! invocations.#16196

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huonw wants to merge 2 commits intorust-lang:masterfrom

huonw:fail-dead-code

Commits on Aug 10, 2014

lint: dead_code ignores items with leading underscores.
huonw
committed

Commits on Aug 11, 2014

core/std: squash dead_code warnings from fail! invocations.
huonw
committed