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authorbors <bors@rust-lang.org>2017-08-04 20:06:09 +0000
committerbors <bors@rust-lang.org>2017-08-04 20:06:09 +0000
commitd692a91fa69a057d82cf6cb71aa3d50260f9de4a (patch)
tree48c6be58e90989089620f5a658b860d4953fc8b5 /src/rustllvm/RustWrapper.cpp
parentff1135b224baac6bfc14970cb5d74dd66680e5e2 (diff)
parentb34c5a23ab0996321a414d47729a9076364a79c6 (diff)
downloadrust-d692a91fa69a057d82cf6cb71aa3d50260f9de4a.tar.gz
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Auto merge of #43590 - michaelwoerister:no-reopening-1, r=nikomatsakis
incr.comp.: Assert that no DepNode is re-opened (see issue #42298).

This PR removes the last occurrence of DepNode re-opening and adds an assertion that prevents our doing so in the future too. The DepGraph should no be guaranteed to be cycle free.

r? @nikomatsakis

EDIT: Closes https://github.com/rust-lang/rust/issues/42298
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