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rustc: Fix `extern crate` being order dependent This commit fixes a bug where a crate could fail to compile depending on the order of `extern crate` directives at the top of the crate. Specifically, if the same crate is found at two locations, then if it's loaded first via `--extern` it will not emit a duplicate warning, but if it's first loaded transitively via a dep and *then* via `--extern` an error will be emitted. The loader was tweaked to catch this scenario and coalesce the loading of these two crates to prevent errors from being emitted.

2015-10-20 21:05:39 -07:00

#![crate_type = "rlib"]