Treat builtin bounds like all other kinds of trait matches.#18749

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nikomatsakis:builtin-bounds-like-other-traits

Dec 4, 2014

Commits on Dec 3, 2014

Treat builtin bounds like all other kinds of trait matches. Introduce a simple hashset in the fulfillment context to catch cases where we register the exact same obligation twice. This helps preven…
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Correct various compile-fail tests. Most of the changes are because we
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FIXME(#19481) -- workaround valgrind cleanup failure (but the code is nicer this way anyhow)
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