[lld] [lld][WebAssembly] Reset context object after each link (PR #78770)

[Sam Clegg via llvm-commits]

sbc100 wrote:

> > I wonder if we can replace these elaborate `reset()` methods with a placement new in the static data location? Would seems less error prone.
> 
> Or just `ctx = Ctx();` ?

Yeah, I'm guessing there was some reason the original author didn't take that much simpler approach.   I'll go with the same method for now for consistency and we can perhaps followup with a simplification. 

https://github.com/llvm/llvm-project/pull/78770