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Change bare functions so that they are represented by a single pointer. #5173

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nikomatsakis
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Fixes #4808.

r? @brson

The basic idea is that we add a new kind of adjustment, AutoAddEnv, that pads an extern fn into a closure by adding the extra NULL word. Then there are a few misc changes in trans to get the LLVM types to match up.

The basic idea is that we add a new kind of adjustment, AutoAddEnv, that pads
an extern fn into a closure by adding the extra NULL word. Then there are a few
misc changes in trans to get the LLVM types to match up.

Fixes rust-lang#4808.
@pcwalton pcwalton closed this Mar 1, 2013
@pcwalton pcwalton merged commit febdb49 into rust-lang:incoming Mar 1, 2013
@nikomatsakis nikomatsakis deleted the issue-4808-representation-of-extern-fn branch March 30, 2016 16:15
bors added a commit to rust-lang-ci/rust that referenced this pull request May 2, 2020
deps: update pulldown-cmark from 0.6 to 0.7

changelog: none
bors added a commit to rust-lang-ci/rust that referenced this pull request May 2, 2020
…shearth,llogiq,flip1995

I like to move it, move it

GHA now runs in the background for 6 days (rust-lang#5088)

Since then ~~15~~ 19 PRs were successfully merged and Travis+Appveyor agreed on the status in every case. ([GitHub PR search query](https://github.com/rust-lang/rust-clippy/pulls?utf8=%E2%9C%93&q=is%3Apr+is%3Amerged+merged%3A%3E%3D2020-02-12T15%3A42%3A00+sort%3Aupdated-desc+NOT+%5Bgh-pages%5D+in%3Atitle))

Some PRs were:
- rust-lang#5163
- rust-lang#5170
- rust-lang#5168
- rust-lang#5173
- rust-lang#5171
- rust-lang#5156
- rust-lang#4809
- rust-lang#5177
- rust-lang#5182
- rust-lang#5183
- rust-lang#5184
- rust-lang#5185
- rust-lang#5186
- rust-lang#5181
- rust-lang#5189

Bug with GHA:
- When a rustc PR gets merged between the `integration_build` and the `integration` job, the `integration` job will fail. This happened once in rust-lang#5162, but not in the past 6 days. Even if it would happen every 4th PR we would save time, since splitting up the integration build and tests saves 5-7 minutes per run and a complete run takes 15-17 minutes
- Sometimes the MacOS build takes up to an hour to download the master toolchain. Until now, this happend 2 or 3 times and can be resolved by a `@bors r3try`+canceling the previous run (restarting single jobs is not supported yet)

## Before merging this, rust-lang/rust-central-station#578 has to get merged

This PR is for starting the discussion and to get consensus (@rust-lang/clippy) on a final move to GHA. If we're ready, I'll contact Pietro, to finalize the move.

changelog: Clippy completely runs on GHA now 🎉

---

BTW: The deployment already runs on GHA, instead of Travis.
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3 participants