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Auto merge of #44049 - alexcrichton:nounwind-allocators, r=BurntSushi

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std: Mark allocation functions as nounwind

This commit flags all allocation-related functions in liballoc as "this can't
unwind" which should largely resolve the size-related issues found on #42808.
The documentation on the trait was updated with such a restriction (they can't
panic) as well as some other words about the relative instability about
implementing a bullet-proof allocator.

Closes #42808
This commit is contained in:
bors 2017-08-29 00:58:17 +00:00
commit d2d50691aa
5 changed files with 68 additions and 0 deletions
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src/liballoc/lib.rs
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@ -106,6 +106,7 @@
#![feature(pattern)]
#![feature(placement_in_syntax)]
#![feature(placement_new_protocol)]
#![feature(rustc_attrs)]
#![feature(shared)]
#![feature(slice_get_slice)]
#![feature(slice_patterns)]