Update clang to 80743bd43fd5 #182781
Description
BoringSSL needs a higher version of clang to roll into Flutter. Dart rolled to clang version 80743bd43fd5 which worked on their side.
example
error log
C:\b\s\w\ir\cache\builder\engine\src\flutter\buildtools\windows-x64\clang\lib\clang\21\include\prfchwintrin.h(52,1): error: declaration of '_m_prefetchw' has a different language linkage
52 | _m_prefetchw(volatile const void *__P)
| ^
../../../flutter/third_party/depot_tools/win_toolchain/vs_files/27370823e7\Windows Kits\10\Include\10.0.22621.0\um\winnt.h(3541,1): note: previous declaration is here
3541 | _m_prefetchw (
| ^
1 error generated.