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authorbors <bors@rust-lang.org>2021-06-10 15:11:01 +0000
committerbors <bors@rust-lang.org>2021-06-10 15:11:01 +0000
commit1f949e94e8429ef33bb0ecb32082590631402b23 (patch)
treea7e2fb255f91a41fe80629f17400d54fca350ef5 /compiler/rustc_codegen_gcc/example/alloc_example.rs
parent40c1623b16fb28f7625cab13570752d04513815c (diff)
parentc63a1c0a1b40ee4567fb91a606a542cbbc55a856 (diff)
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Auto merge of #86020 - nagisa:nagisa/outliner, r=pnkfelix
Disable the machine outliner by default

This addresses a codegen-issue that needs to be fixed upstream in LLVM.
While we wait for the fix, we can disable it.

Verified manually that the outliner is no longer run when
`-Copt-level=z` is specified, and also that you can override this with
`-Cllvm-args=-enable-machine-outliner` if you need it anyway.

A regression test is not really feasible in this instance, given that we
do not have any minimal reproducers.

Fixes #85351

cc `@pnkfelix`
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