Rollup of 20 pull requests #49236
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Rollup of 20 pull requests #49236
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spawn() is expected to return an error if the specified file could not be executed. FreeBSD's posix_spawn() supports returning ENOENT/ENOEXEC if the exec() fails, which not all platforms support. This brings a very significant performance improvement for FreeBSD, involving heavy use of Command in threads, due to fork() invoking jemalloc fork handlers and causing lock contention. FreeBSD's posix_spawn() avoids this problem due to using vfork() internally.
The relevant support was added in https://sourceware.org/bugzilla/show_bug.cgi?id=10354#c12
We apparently used to generate bad/incomplete debug info causing debuggers not to find symbols of stack allocated variables. This was somehow worked around by having frame pointers. With the current codegen, this seems no longer necessary, so we can remove the code that force-enables frame pointers whenever debug info is requested. Since certain situations, like profiling code profit from having frame pointers, we add a -Cforce-frame-pointers flag to always enable frame pointers. Fixes rust-lang#11906
This reworks the force-frame-pointer PR to explicitly only consider the value of the flag if it is provided, and use a target default otherwise. Something that was tried but not kept was renaming the flag to `frame-pointer`, because for flag `frame-pointer=no`, there is no guarante, that LLVM will elide *all* the frame pointers; oposite of what the literal reading of the flag would suggest.
Related to rust-lang#46753
…for non-lexical lifetimes)
… for Default Type Parameter Fallback)
…for const generics)
…f AsRef for Deref)
…ation ergonomics)
…uietMisdreavus Put `#[macro_use] extern crate <crate>` before fn main() in doctests Closes rust-lang#49174.
…-links, r=QuietMisdreavus Fix automatic urls with backticks Fixes rust-lang#49164. r? @QuietMisdreavus
Run the `run-make` tests last, so more tests run on Windows when `make` is unavailable Just rust-lang#47996 again. r? @Mark-Simulacrum
…rom-Env, r=nikomatsakis Implement Chalk lowering rule "Implemented-From-Env" This extends the Chalk lowering pass with the "Implemented-From-Env" rule for generating program clauses from a trait definition as part of rust-lang#49177. r? @nikomatsakis
fix vector fmin/fmax non-fast/fast intrinsics NaN handling This bugs shows up in release mode tests of `stdsimd`: rust-lang/stdarch#391 . The intrinsics are thoroughly tested there for roundoff errors, NaN, and overflow behavior. The problem was that the non-fast intrinsics where specifying `NoNaNs == true`, which meant that they don't support NaNs. This is incorrect, the non-fast intrinsics should handle NaNs properly. Also, the "fast" intrinsics where specifying `NoNaNs == false` which meant that they support NaNs and then fast-math, which probably disables this support. This was not intended either. I've added a comment specifying what the boolean flags do.
…richton dpl 1.9.5 has been released, revert rust-lang#49217. dpl 1.9.5 has been released which includes travis-ci/dpl#789, so we could move back to the standard Travis settings before that `s3-eager-autoload` branch is removed.
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📌 Commit 1df604b has been approved by |
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Don't check interpret_interner when accessing a static to fix miri mutable statics Mutable statics don't work in my PR to fix the standalone [miri](https://github.com/solson/miri), as init_static didn't get called when the interpret_interner already contained a entry for the static, which is always immutable. cc rust-lang/miri#364
…excrichton Deprecate the AsciiExt trait in favor of inherent methods The trait and some of its methods are stable and will remain. Some of the newer methods are unstable and can be removed later. Fixes rust-lang#39658
…Misdreavus Make Atomic doc examples specific to each type Fixes rust-lang#49018.
… r=Mark-Simulacrum Bump racer and home This removes 10 dependencies from the build 🎉
Update RELEASES.md for 1.25.0 [rendered](https://github.com/Aaronepower/rust/blob/master/RELEASES.md)
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📌 Commit fc801dc has been approved by |
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⌛ Testing commit fc801dc with merge 72b3e90b52e3b0979b1081a448e01cef2804611d... |
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💔 Test failed - status-travis |
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Creating a new one based on latest master. |
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#[macro_use] extern crate <crate>before fn main() in doctests #49188, Fix automatic urls with backticks #49189, Run therun-maketests last, so more tests run on Windows whenmakeis unavailable #49209, Implement Chalk lowering rule "Implemented-From-Env" #49211, fix vector fmin/fmax non-fast/fast intrinsics NaN handling #49231, dpl 1.9.5 has been released, revert #49217. #49234, Don't check interpret_interner when accessing a static to fix miri mutable statics #49216, Deprecate the AsciiExt trait in favor of inherent methods #49109, Make Atomic doc examples specific to each type #49029, Bump racer and home #49203, Update RELEASES.md for 1.25.0 #48374