The option does not change IR but affect object file generation. Without a
backend option the option is a no-op for in-process ThinLTO.
The problem is known and there are many options similar to -fstack-size-section.
That said, -fstack-size-section has relatively wider adoption, so it probably
makes sense to have custom code for it.
Close https://github.com/llvm/llvm-project/issues/59424
Adds the -fstack-size-section flag to enable the .stack_sizes section. The flag defaults to on for the PS4 triple.
Differential Revision: https://reviews.llvm.org/D40712
llvm-svn: 321992
