Rollup of 6 pull requests#127784

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matthiaskrgr wants to merge 17 commits intorust-lang:masterfrom

matthiaskrgr:rollup-a0dniyl

Commits on Jun 27, 2024

fix least significant digits of f128 associated constants
tspiteri
committed

Commits on Jun 28, 2024

Delegation: support coercion for target expression
Bryanskiy
committed

Commits on Jul 12, 2024

Commits on Jul 13, 2024

add test for Result<&T, _> where T; Deref
tesuji
committed

Commits on Jul 14, 2024

Add cache for `allocate_str`
adwinwhite
committed

Commits on Jul 15, 2024