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| author | Ariel Ben-Yehuda <arielb1@mail.tau.ac.il> | 2015-09-24 19:58:00 +0300 |
|---|---|---|
| committer | Ariel Ben-Yehuda <ariel.byd@gmail.com> | 2015-09-26 21:13:31 +0300 |
| commit | fe6ad097c654d2655ad11610b2c96d577a3fcc2b (patch) | |
| tree | 2ddfebf00b6466e70f9560418dff3aee961188f8 /src/rustllvm/ExecutionEngineWrapper.cpp | |
| parent | 9169e6c53c53999d0ca176067a36c57aef84757b (diff) | |
| download | rust-fe6ad097c654d2655ad11610b2c96d577a3fcc2b.tar.gz rust-fe6ad097c654d2655ad11610b2c96d577a3fcc2b.zip | |
deduplicate trait errors before they are displayed
Because of type inference, duplicate obligations exist and cause duplicate errors. To avoid this, only display the first error for each (predicate,span). The inclusion of the span is somewhat bikesheddy, but *is* the more conservative option (it does not remove some instability, as duplicate obligations are ignored by `duplicate_set` under some inference conditions). Fixes #28098 cc #21528 (is it a dupe?)
Diffstat (limited to 'src/rustllvm/ExecutionEngineWrapper.cpp')
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