[llvm] [WebAssembly] Enable a limited amount of stackification for debug code (PR #136510)

[Heejin Ahn via llvm-commits]

https://github.com/aheejin commented:

Sorry for the late reply. I like this approach. Thank you for working on this. 

> (The same is true for our compiler, so to test the location coverage, I forced a mode where it would emit `dbg.value`s instead of `dbg.declare`s with optimized LLVM IR which is then ran through `llc -O0`.)

What's this option?

https://github.com/llvm/llvm-project/pull/136510