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Rollup of 5 pull requests #61171

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@Centril Centril commented May 25, 2019

Successful merges:

Failed merges:

r? @ghost

michaelwoerister and others added 14 commits May 22, 2019 13:04
It's just a waste of memory. This also gets rid of the special case for
"".
…lexcrichton

PGO - Add a smoketest for combining PGO with cross-language LTO.

This PR

- Adds a test making sure that PGO can be combined with cross-language LTO.
- Does a little cleanup on how the `pgo-use` flag is handled internally.
- Makes the compiler error if the `pgo-use` file given to `rustc` doesn't actually exist. LLVM only gives a warning and then just doesn't do PGO. Clang, on the other hand, does give an error in this case.
- Makes the build system also build `compiler-rt` when building LLDB. This way the Clang compiler that we get from building LLDB can perform PGO, which is something that the new test case wants to do. CI compile times shouldn't be affected too much.
…henkov

Don't arena-allocate static symbols.

It's just a waste of memory. This also gets rid of the special case for
"".

r? @petrochenkov
Ship profiler with windows-gnu

Fixes rust-lang#49409

I don't know if we can enable it for testing, windows-gnu jobs are already taking too long: rust-lang#59637.

r? @michaelwoerister

P.S.
I have tested only x86_64 build.
MaybeUninit doctest: remove unnecessary type ascription
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Centril commented May 25, 2019

@bors r+ p=5 rollup=never

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bors commented May 25, 2019

📌 Commit d8b6f6a has been approved by Centril

@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label May 25, 2019
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bors commented May 25, 2019

⌛ Testing commit d8b6f6a with merge e2038bb32a16d0a8088ea5808bba5f63b19305d1...

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Centril commented May 25, 2019

@bors r- retry

@bors bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels May 25, 2019
@Centril Centril closed this May 25, 2019
@Centril Centril deleted the rollup-8lkypo8 branch May 25, 2019 12:25
@Centril Centril added the rollup A PR which is a rollup label Oct 24, 2019
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