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Remove i586-pc-windows-msvc
See [MCP 840](https://github.com/rust-lang/compiler-team/issues/840).
I left a specialized error message that should help users that hit this in the wild (for example, because they use it in their CI).
```
error: Error loading target specification: the `i586-pc-windows-msvc` target has been removed. Use the `i686-pc-windows-msvc` target instead.
Windows 10 (the minimum required OS version) requires a CPU baseline of at least i686 so you can safely switch. Run `rustc --print target-list` for a list of built-in targets
```
``@workingjubilee`` ``@calebzulawski`` fyi portable-simd uses this target in CI, if you wanna remove it already before this happens
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See MCP 840.
I left a specialized error message that should help users that hit this
in the wild (for example, because they use it in their CI).
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r=Mark-Simulacrum
Remove `:` from `stack-protector-heuristics-effect.rs` Filecheck Pattern
With function sections, the assembly label does not necessarily end in `:`.
Remove trailing `:` to be more consistent with the rest of the existing Filecheck patterns.
```
// CHECK-LABEL: local_string_addr_taken
#[no_mangle]
pub fn local_string_addr_taken(f: fn(&String)) {
let x = String::new();
f(&x);
```
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minicore makes it much easier to add new language items to all of the
existing `no_core` tests.
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This adds the `only-apple`/`ignore-apple` compiletest directive, and
uses that basically everywhere instead of `only-macos`/`ignore-macos`.
Some of the updates in `run-make` are a bit redundant, as they use
`ignore-cross-compile` and won't run on iOS - but using Apple in these
is still more correct, so I've made that change anyhow.
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This commit renames the current `wasm32-wasi-preview1-threads` target to
`wasm32-wasip1-threads`. The need for this rename is a bit unfortunate
as the previous name was chosen in an attempt to be future-compatible
with other WASI targets. Originally this target was proposed to be
`wasm32-wasi-threads`, and that's what was originally implemented in
wasi-sdk as well. After discussion though and with the plans for the
upcoming component-model target (now named `wasm32-wasip2`) the
"preview1" naming was chosen for the threads-based target. The WASI
subgroup later decided that it was time to drop the "preview"
terminology and recommends "pX" instead, hence previous PRs to add
`wasm32-wasip2` and rename `wasm32-wasi` to `wasm32-wasip1`.
So, with all that history, the "proper name" for this target is
different than its current name, so one way or another a rename is
required. This PR proposes renaming this target cold-turkey, unlike
`wasm32-wasi` which is having a long transition period to change its
name. The threads-based target is predicted to see only a fraction of
the traffic of `wasm32-wasi` due to the unstable nature of the WASI
threads proposal itself.
While I was here I updated the in-tree documentation in the target spec
file itself as most of the documentation was copied from the original
WASI target and wasn't as applicable to this target.
Also, as an aside, I can at least try to apologize for all the naming
confusion here, but this is hopefully the last WASI-related rename.
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This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:
* https://github.com/rust-lang/compiler-team/issues/607
* https://github.com/rust-lang/compiler-team/issues/695
In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](https://github.com/rust-lang/rust/pull/119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
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Previously the test seems to not actually test redox.
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Add `-Zstack-protector` test for Windows targets
Add variants of the `stack-protector-heuristics-effect.rs` test for 32-bit and 64-bit MSVC Windows and update the original test to run on GNU Windows targets.
I added two tests instead of trying to modify the original because:
- MSVC uses a different function name (`__security_check_cookie` to perform the test rather than doing the test inline and calling `__stack_chk_fail`).
- LLVM's stack protection pass doesn't currently support generating checks for [frames with funclet based EH personality](https://github.com/llvm/llvm-project/blob/37fd3c96b917096d8a550038f6e61cdf0fc4174f/llvm/lib/CodeGen/StackProtector.cpp#L103C1-L109C4).
- 32-bit Windows uses classic EH while 64-bit Windows uses table-based EH which results in slightly different codegen.
[CI run with test passing on {i686,x86_64}-{msvc,mingw}](https://github.com/rust-lang/rust/actions/runs/6275450644/job/17042958375?pr=116037)
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We no longer generate a protector for the strong case in this test,
which is actually the expected behavior per the test comment.
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