memcpy assumptions: link to source showing that GCC makes the same assumption #117312

RalfJung · 2023-10-28T09:54:52Z

I finally stumbled upon a source showing that GCC also generates overlapping memcpy. So if we're linking major C compilers making such assumptions here, let's have both clang and GCC.

…sumption

rustbot · 2023-10-28T09:55:00Z

r? @Mark-Simulacrum

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Mark-Simulacrum · 2023-10-29T01:54:41Z

@bors r+

bors · 2023-10-29T01:54:42Z

📌 Commit b329c69 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

workingjubilee · 2023-10-29T02:23:48Z

@bors rollup=always

…k-Simulacrum memcpy assumptions: link to source showing that GCC makes the same assumption I finally stumbled upon a source showing that GCC also generates overlapping `memcpy`. So if we're linking major C compilers making such assumptions here, let's have both clang and GCC.

…kingjubilee Rollup of 5 pull requests Successful merges: - rust-lang#115968 (Don't use LFS64 symbols on musl) - rust-lang#117043 (add bootstrap flag `--skip-stage0-validation`) - rust-lang#117082 (Fix closure-inherit-target-feature test for SGX platform) - rust-lang#117312 (memcpy assumptions: link to source showing that GCC makes the same assumption) - rust-lang#117328 (pass `CODEGEN_BACKENDS` to docker) r? `@ghost` `@rustbot` modify labels: rollup

…k-Simulacrum memcpy assumptions: link to source showing that GCC makes the same assumption I finally stumbled upon a source showing that GCC also generates overlapping `memcpy`. So if we're linking major C compilers making such assumptions here, let's have both clang and GCC.

…llaumeGomez Rollup of 5 pull requests Successful merges: - rust-lang#115968 (Don't use LFS64 symbols on musl) - rust-lang#117043 (add bootstrap flag `--skip-stage0-validation`) - rust-lang#117082 (Fix closure-inherit-target-feature test for SGX platform) - rust-lang#117312 (memcpy assumptions: link to source showing that GCC makes the same assumption) - rust-lang#117337 (rustdoc: Use `ThinVec` in `GenericParamDefKind`) r? `@ghost` `@rustbot` modify labels: rollup

Rollup merge of rust-lang#117312 - RalfJung:memcpy-assumptions, r=Mark-Simulacrum memcpy assumptions: link to source showing that GCC makes the same assumption I finally stumbled upon a source showing that GCC also generates overlapping `memcpy`. So if we're linking major C compilers making such assumptions here, let's have both clang and GCC.

memcpy assumptions: link to source showing that GCC makes the same as…

b329c69

…sumption

rustbot assigned Mark-Simulacrum Oct 28, 2023

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Oct 28, 2023

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 29, 2023

workingjubilee mentioned this pull request Oct 29, 2023

Rollup of 5 pull requests #117339

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This was referenced Oct 29, 2023

Rollup of 6 pull requests #117353

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Rollup of 5 pull requests #117354

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bors merged commit 7201240 into rust-lang:master Oct 29, 2023
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rustbot added this to the 1.75.0 milestone Oct 29, 2023

RalfJung deleted the memcpy-assumptions branch October 30, 2023 09:27

github-actions bot mentioned this pull request Oct 31, 2023

Automated pull from upstream master ferrocene/ferrocene#74

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memcpy assumptions: link to source showing that GCC makes the same assumption #117312

memcpy assumptions: link to source showing that GCC makes the same assumption #117312

RalfJung commented Oct 28, 2023

rustbot commented Oct 28, 2023

Mark-Simulacrum commented Oct 29, 2023

bors commented Oct 29, 2023

workingjubilee commented Oct 29, 2023

memcpy assumptions: link to source showing that GCC makes the same assumption #117312

memcpy assumptions: link to source showing that GCC makes the same assumption #117312

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RalfJung commented Oct 28, 2023

rustbot commented Oct 28, 2023

Mark-Simulacrum commented Oct 29, 2023

bors commented Oct 29, 2023

workingjubilee commented Oct 29, 2023