Update LLVM to 21.1.7 + some 21.1.8 patches#192

Merged

dianqk merged 18 commits intorust-lang:rustc/21.1-2025-08-01from

inkreasing:rustc/21.1-2025-08-01

Dec 10, 2025

Commits on Nov 4, 2025

Bump version to 21.1.6
c-rhodes
committed

Commits on Nov 5, 2025

[debugserver] Fix debugserver build on < macOS 10.15 (#166599)

JDevlieghere
authored and
llvmbot
committed

Commits on Nov 12, 2025

[Github] Backport ABI Workflow Changes to Release Branch

boomanaiden154
authored and
dyung
committed
[clang][modules] Fix crash in enum visibility lookup for C++20 header units (#166272)

naveen-seth
authored and
dyung
committed
[RISCV] Correct the CFA offsets for stack probing. (#166616)

topperc
authored and
dyung
committed
[MachineCopyPropagation] Remove logic to recognise and delete no-op moves produced after forwarded uses (#167336)

asb
authored and
dyung
committed
[CMake][Release] Stop linking against stage1 runtimes (#164017)

tstellar
authored and
dyung
committed

Commits on Nov 13, 2025

Reland "[LoongArch] Add `isSafeToMove` hook to prevent unsafe instruction motion" (#167465)

heiher
authored and
dyung
committed

Commits on Nov 18, 2025

Bump version to 21.1.7.
dyung
committed

Commits on Nov 20, 2025

[clangd] Clangd running with `--experimental-modules-support` crashes when the compilation database is unavailable (#153802)

slavek-kucera
authored and
llvmbot
committed

Commits on Nov 27, 2025

[server-llvm-21][MC] Fixing vector overflow

Lydia Kim
authored and
Tobias Hieta
committed

Commits on Dec 1, 2025

[LLD][COFF] Align EC code ranges to page boundaries (#168222)

cjacek
authored and
Tobias Hieta
committed

Commits on Dec 2, 2025

Bump version to 21.1.8
tru
committed

Commits on Dec 4, 2025

[rtsan] Handle attributed IR function declarations (#169577)

davidtrevelyan
authored and
llvmbot
committed

Commits on Dec 10, 2025