Since the `compiler_builtins` update [1], ABI bugs on x86 should be
resolved. Enable tests for f16 on these platforms now.

[1]: rust-lang#125016

Since `f16` now works on x86 and x86-64, change doctests to use this
instead of aarch64. This is to make sure any changes get run in PR CI.

…s-gnu` targets

`rust-lld.exe` built for `x86_64-pc-windows-gnu` depends on `libgcc_s_seh-1.dll` and `libwinpthread-1.dll` from MinGW-w64.
Until now, they were not shipped alongside `rust-lld.exe`, and you could not run `rust-lld.exe` on most systems.

This problem didn't surface until now because:
* Most targets don't use `rust-lld` by default.
* Some people had these DLLs in their `PATH` from some other MinGW binary.
* `rustup` used to add `bin` to the `PATH`, which contains these DLLs for `rustc.exe`. But it no longer does that: rust-lang/rustup@ce3c09a

Fixes rust-lang#125809

Signed-off-by: Amjad Alsharafi <26300843+Amjad50@users.noreply.github.com>

…avidtwco

Implement `-Z embed-source` (DWARFv5 source code embedding extension)

Implement rust-lang/compiler-team#764 MCP which adds an unstable flag that exposes LLVM's [DWARFv5 source code embedding](https://dwarfstd.org/issues/180201.1.html) support.

Enable `f16` on x86 and x86-64

Since the `compiler_builtins` update [1], ABI bugs on x86 should be resolved. Enable tests for f16 on these platforms now.

[1]: rust-lang#125016

try-job: i686-gnu
try-job: dist-i586-gnu-i586-i686-musl

…lls, r=Kobzol,petrochenkov,jieyouxu

Ship MinGW-w64 runtime DLLs along with `rust-lld.exe` for `-pc-windows-gnu` targets

`rust-lld.exe` built for `x86_64-pc-windows-gnu` depends on `libgcc_s_seh-1.dll` and `libwinpthread-1.dll` from MinGW-w64. Until now, they were not shipped alongside `rust-lld.exe`, and you could not run `rust-lld.exe` on most systems.

This problem didn't surface until now because:
* Most targets don't use `rust-lld` by default.
* Some people had these DLLs in their `PATH` from some other MinGW binary.
* `rustup` used to add `bin` to the `PATH`, which contains these DLLs for `rustc.exe`. But it no longer does that: rust-lang/rustup@ce3c09a

Fixes rust-lang#125809

try-job: dist-x86_64-mingw

Add f16 and f128 to tests/ui/consts/const-float-bits-conv.rs

Fixes rust-lang#129163

try-job: x86_64-msvc
try-job: x86_64-mingw
try-job: i686-msvc
try-job: i686-mingw

…, r=jieyouxu

Allow rust staticlib to work with MSVC's /WHOLEARCHIVE

This fixes rust-lang#129020 by renaming the `__NULL_IMPORT_DESCRIPTOR` to prevent conflicts.

try-job: dist-i686-msvc

…piler-errors

Use a LocalDefId in ResolvedArg.

…r=tgross35

Update `compiler_builtins` to `0.1.120`

Includes rust-lang/compiler-builtins#672 which fixes regression issue with Apple and Windows compilers.

r? `@tgross35`