Rollup of 6 pull requests#145916

Merged

bors merged 14 commits intorust-lang:masterfrom

matthiaskrgr:rollup-cnvhq2z

Aug 27, 2025

Commits on Jul 2, 2025

Mention that casting to *const () is a way to roundtrip with from_raw_parts
Manishearth
committed

Commits on Aug 8, 2025

Fix wrong cache line size of riscv64
minxuanz
committed

Commits on Aug 21, 2025

Commits on Aug 26, 2025

Move `riscv64-gc-unknown-linux-musl` from Tier 2 with Host tools to Tier 2
Kobzol
committed

Commits on Aug 27, 2025

Use -Zmir-opt-level=0 in tests for MIR building
saethlin
committed
Improve std::fs::read_dir docs

ntc2
authored and
tgross35
committed
Rollup merge of #142215 - saethlin:mir-building-tests, r=cjgillot
matthiaskrgr
authored
Rollup merge of #143341 - Manishearth:from-raw-parts-ptr-cast, r=samueltardieu
matthiaskrgr
authored
Rollup merge of #145078 - minxuanz:riscv-cacheline, r=samueltardieu
matthiaskrgr
authored
Rollup merge of #145290 - ntc2:patch-1, r=joshtriplett,tgross35
matthiaskrgr
authored
Rollup merge of #145335 - clarfonthey:wtf8-core-alloc, r=Mark-Simulacrum
matthiaskrgr
authored
Rollup merge of #145904 - Kobzol:riscv-musl-platform-support, r=jieyouxu
matthiaskrgr
authored