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authorbors <bors@rust-lang.org>2018-10-19 22:54:14 +0000
committerbors <bors@rust-lang.org>2018-10-19 22:54:14 +0000
commit42dde960f95222ffd8c356e0f7841cd22294a6c9 (patch)
tree315f1c52471fc775ee057c987a0c5d69f20a4b05 /src/libsyntax/parse/parser.rs
parent78ff609d7375ee2a2c6d0222776ac612eb1b75be (diff)
parentc294ec640be6b4cdd3b4922a622a6c12f6078b1d (diff)
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Auto merge of #55162 - nikomatsakis:issue-54902-underscore-bound, r=tmandry
handle underscore bounds in unexpected places

Per the discussion on #54902, I made it a hard error to use lifetime bounds in various places where they used to be permitted:

- `where Foo: Bar<'_>` for example

I also moved error reporting to HIR lowering and added `Error` variants to let us suppress downstream errors that result.

I (imo) improved the error message wording to be clearer, as well.

In the process, I fixed the ICE in #52098.

Fixes #54902
Fixes #52098
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