[clang] [clang][bytecode] Stack-allocate bottom function frame (PR #125253)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

Looks like from this patch https://lab.llvm.org/buildbot/#/builders/94/builds/4194/steps/17/logs/stdio

https://github.com/llvm/llvm-project/pull/125253