rust-lang/rust — pull request #18031 by huonw (2014-10-14 11:24:43+00:00)
Title: test: make the sort failure-safety test unsafeless and more obvious.

Previously it had some uninituitive conditionals due to the interaction
with the Rand construction and Clone reinitialisation to create
sequential identifying numbers. This replaces all that with just
constructing the DropCounters with the appropriate identifiers.