Rollup of 7 pull requests #73388
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Rollup of 7 pull requests #73388
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update from upstream
update from origin 2020-06-10
- Suggest borrowing expression if it would allow cast to work. - Suggest using `<Type>::from(<expr>)` when appropriate. - Minor tweak to `;` typo suggestion. Partily address rust-lang#47136.
update from origin 2020-06-15
This initial version only injects counters at the top of each function. Rust Coverage will require injecting additional counters at each conditional code branch.
As suggested in PR feedback: rust-lang#73011 (comment) This allows count_code_region() to be handled like a normal intrinsic so the InstanceDef::InjectedCode variant is no longer needed.
Co-authored-by: bjorn3 <[email protected]>
Addresses feedback from @oli-obk (Thanks!)
…epmaster Add tests for 'impl Default for [T; N]' Related: rust-lang#71690. This pull request adds two tests: - Even it T::default() panics, no leaks occur. - [T; 0] is Default even if T is not. I believe at some moment `Default` impl for arrays will be rewritten to use const generics instead of macros, and these tests will help to prevent behavior changes.
…ies, r=shepmaster Complete the std::time documentation to warn about the inconsistencies between OS Fix for rust-lang#48980. I put the new documentation in `src/libstd/time.rs` at the module-level because it affects all types, even the one that are not directly system dependents if they are used with affected types, but there may be a better place for it.
… r=tmandry first stage of implementing LLVM code coverage This PR replaces rust-lang#70680 (WIP toward LLVM Code Coverage for Rust) since I am re-implementing the Rust LLVM code coverage feature in a different part of the compiler (in MIR pass(es) vs AST). This PR updates rustc with `-Zinstrument-coverage` option that injects the llvm intrinsic `instrprof.increment()` for code generation. This initial version only injects counters at the top of each function, and does not yet implement the required coverage map. Upcoming PRs will add the coverage map, and add more counters and/or counter expressions for each conditional code branch. Rust compiler MCP rust-lang/compiler-team#278 Relevant issue: rust-lang#34701 - Implement support for LLVMs code coverage instrumentation ***[I put together some development notes here, under a separate branch.](https:/richkadel/rust/blob/cfa0b21d34ee64e4ebee226101bd2ef0c6757865/src/test/codegen/coverage-experiments/README-THIS-IS-TEMPORARY.md)***
…dtwco Tweak "non-primitive cast" error - Suggest borrowing expression if it would allow cast to work. - Suggest using `<Type>::from(<expr>)` when appropriate. - Minor tweak to `;` typo suggestion. Partily address rust-lang#47136.
Use track caller for bug! macro
…num-cpus, r=Mark-Simulacrum Add more info to `x.py build --help` on default value for `-j JOBS`.
…chievink Fix typo in docs of std::mem
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@bors r+ rollup=never p=7 |
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📌 Commit 11999c4 has been approved by |
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@bors retry |
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⌛ Testing commit 11999c4 with merge f56f7a70d94427b50737ad95cefd978e0ef1672d... |
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💔 Test failed - checks-azure |
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Successful merges:
x.py build --helpon default value for-j JOBS. #73380 (Add more info tox.py build --helpon default value for-j JOBS.)Failed merges:
r? @ghost