Rollup of 6 pull requests #70441
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Rollup of 6 pull requests #70441
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It's unused by any existing targets, and soon we'll be embedding full bitcode by default anyway.
Currently, there are three fields in `ModuleConfig` that dictate how object files are emitted: `emit_obj`, `obj_is_bitcode`, and `embed_bitcode`. Some of the combinations of these fields are nonsensical, in particular having both `obj_is_bitcode` and `embed_bitcode` true at the same time. Also, currently: - we needlessly emit and then delete a bytecode file if `obj_is_bitcode` is true but `emit_obj` is false; - we needlessly embed bitcode in the LLVM module if `embed_bitcode` is true and `emit_obj` is false. This commit combines the three fields into one, with a new type `EmitObj` (and the auxiliary `BitcodeSection`) which can encode five different possibilities. In the old code, `set_flags` would set `obj_is_bitcode` and `embed_bitcode` on all three of the configs (`modules`, `allocator`, `metadata`) if the relevant other conditions were met, even if no object code needed to be emitted for one or more of them. Whereas `start_async_codegen` would set `emit_obj`, but only for those configs that need it. In the new code, `start_async_codegen` does all the work of setting `emit_obj`, and it only does that for the configs that need it. `set_flags` no longer sets anything related to object file emission.
It makes things a little clearer.
- Added is_under_guard parameter to _match::is_useful and only add to the matrix if false - Added comments explaining behavior
…ndling, r=alexcrichton Refactor object file handling Some preliminary clean-ups that grease the path to rust-lang#66961. r? @alexcrichton
add 'fn write_u16s' to Memory Added new function `Memory::write_u16s`. Needed in `MIRI` for implementing helper function to write wide_str to memory (for Windows).
…arning, r=Centril,Nadrieril,varkor Fix incorrect pattern warning "unreachable pattern" Fixes rust-lang#70372 Added `is_under_guard` parameter to `_match::is_useful` and only add it to the matrix if `false` Tested with: ```rust #![feature(or_patterns)] fn main() { match (3,42) { (a,_) | (_,a) if a > 10 => {println!("{}", a)} _ => () } match Some((3,42)) { Some((a, _)) | Some((_, a)) if a > 10 => {println!("{}", a)} _ => () } match Some((3,42)) { Some((a, _) | (_, a)) if a > 10 => {println!("{}", a)} _ => () } } ```
`error_bad_item_kind`: add help text
For example, this adds:
```
= help: consider moving the `use` import out to a nearby module scope
```
r? @petrochenkov @estebank
Fixes rust-lang#37205.
…an-DPC Clean up E0459 explanation r? @Dylan-DPC
Miri float->int casts: be explicit that this is saturating r? @hanna-kruppe Cc rust-lang/miri#1264
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@bors r+ rollup=never p=6 |
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📌 Commit 195147c has been approved by |
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@bors r+ rollup=never p=6 |
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💡 This pull request was already approved, no need to approve it again.
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📌 Commit 195147c has been approved by |
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☀️ Test successful - checks-azure |
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Successful merges:
error_bad_item_kind: add help text #70428 (error_bad_item_kind: add help text)Failed merges:
r? @ghost