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Rollup of 13 pull requests
Successful merges:
- #56141 ([std] Osstr len clarity)
- #56366 (Stabilize self_in_typedefs feature)
- #56395 (Stabilize dbg!(...))
- #56401 (Move VecDeque::resize_with out of the impl<T:Clone> block)
- #56402 (Improve the unstable book example for #[marker] trait)
- #56412 (Update tracking issue for `extern_crate_self`)
- #56416 (Remove unneeded body class selector)
- #56418 (Fix failing tidy (line endings on Windows))
- #56419 (Remove some uses of try!)
- #56432 (Update issue number of `shrink_to` methods to point the tracking issue)
- #56433 (Add description about `crate` for parse_visibility's comment)
- #56435 (make the C part of compiler-builtins opt-out)
- #56438 (Remove not used `DotEq` token)
Failed merges:
r? @ghost
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Add template parameter debuginfo to generic types
This changes debuginfo generation to add template parameters to
generic types. With this change the DWARF now has
DW_TAG_template_type_param for types, not just for functions, like:
<2><40d>: Abbrev Number: 6 (DW_TAG_structure_type)
<40e> DW_AT_name : (indirect string, offset: 0x375): Generic<i32>
<412> DW_AT_byte_size : 4
<413> DW_AT_alignment : 4
...
<3><41f>: Abbrev Number: 8 (DW_TAG_template_type_param)
<420> DW_AT_type : <0x42a>
<424> DW_AT_name : (indirect string, offset: 0xa65e): T
Closes #9224
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Update tracking issue for `extern_crate_self`
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Stabilize dbg!(...)
Per FCP in https://github.com/rust-lang/rust/issues/54306 (which is ~1 day from completion).
r? @SimonSapin
The PR is fairly isolated so a rollup should probably work.
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Stabilize self_in_typedefs feature
[**Tracking Issue**](https://github.com/rust-lang/rust/issues/49303)
r? @centril
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Enable -mergefunc-use-aliases
If the Rust LLVM fork is used, enable the -mergefunc-use-aliases
flag, which will create aliases for merged functions, rather than
inserting a call from one to the other.
A number of codegen tests needed to be adjusted, because functions
that previously fell below the thunk limit are now being merged.
Merging is prevented in various ways now.
I expect that this is going to break something, somewhere, because
it isn't able to deal with aliases properly, but we won't find out
until we try :)
This fixes #52651.
r? @rkruppe
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dropping the param-env on the floor is obviously the wrong thing to do.
The ICE was probably exposed by #54490 adding the problem-exposing use of
`traits::find_associated_item`.
Fixes #55380.
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Consider references and unions potentially inhabited during privacy-respecting inhabitedness checks
It isn't settled exactly how references to uninhabited types and unions of uninhabited types should act, but we should be more conservative here, as it's likely it will be permitted to soundly have values of such types.
This will also be more important in light of the changes at https://github.com/rust-lang/rust/pull/54125.
cc @RalfJung
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Prohibit `static _`
Fis unused import warnings for `use foo as _`
Add more tests for `use foo as _`
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tests: Simplify VaList run-make test
The va_list tests were too complex and were causing some spurious
test failures on Windows.
Example: https://github.com/rust-lang/rust/pull/55011#issuecomment-443211097
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drop glue takes in mutable references, it should reflect that in its type
When drop glue begins, it should retag, like all functions taking references do. But to do that, it needs to take the reference at a proper type: `&mut T`, not `*mut T`.
Failing to retag can mean that the memory the reference points to remains frozen, and `EscapeToRaw` on a frozen location is a NOP, meaning later mutations cause a Stacked Borrows violation.
Cc @nikomatsakis @Gankro because Stacked Borrows
Cc @eddyb for the changes to miri argument passing (the intention is to allow passing `*mut [u8]` when `&mut [u8]` is expected and vice versa)
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exhaustive_integer_patterns tests
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The va_list tests were too complex and were causing some spurious
test failures on Windows
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Given the function
fn foo((_x, _): (LogDrop, LogDrop), (_, _y): (LogDrop, LogDrop)) {}
Prior to 1.12 we dropped both `_x` and `_y` before the rest of their
respective parameters, since then we dropped `_x` and `_y` after. The
original order appears to be the correct order, as the value created
later is dropped first, so we revert to that order and add a test for
it.
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Fix const_fn ICE with non-const function pointer
Fixes #56164
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Stabilize self_struct_ctor feature.
[**Tracking Issue**](https://github.com/rust-lang/rust/issues/51994)
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Moved some feature gate tests to correct location
I evidently need to create some sort of GitHub monitor tool that yells at people when they do this in their PRs. ;-)
r? @centril
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add test for issue #21335
Running this test with LLVM assertions enabled doesn't seem to trigger an assertion on my Mac.
Fixes #21335.
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