[Bug middle-end/123082] missed optimization: large local array in recursive function needlessly kept alive across recursive calls

[skywave2023 at outlook dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123082

--- Comment #2 from Castle "SkyWave" Sun <skywave2023 at outlook dot com> ---
Just as a reference: I also reported the same optimization opportunity
for Clang/LLVM, with the same test case:

https://github.com/llvm/llvm-project/issues/171606

In case it’s useful to compare approaches or behaviors across compilers.