Rollup of 7 pull requests

[matthiaskrgr]

Successful merges:

• Support ?Trait bounds in supertraits and dyn Trait under a feature gate #121676 (Support ?Trait bounds in supertraits and dyn Trait under a feature gate)
• Use Cow<'static, str> for InlineAsmTemplatePiece::String #126908 (Use Cow<'static, str> for InlineAsmTemplatePiece::String)
• Inject arm32 shims into Windows metadata generation #127999 (Inject arm32 shims into Windows metadata generation)
• CStr: derive PartialEq, Eq; add test for Ord #128137 (CStr: derive PartialEq, Eq; add test for Ord)
• Fix a span error when parsing a wrong param of function. #128185 (Fix a span error when parsing a wrong param of function.)
• Fix 1.80.0 version in RELEASES.md #128187 (Fix 1.80.0 version in RELEASES.md)
• Turn an unreachable code path into an ICE #128189 (Turn an unreachable code path into an ICE)

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