Apply suggestion from @vchuravy

Author: vchuravy

src/compiler/optimize.jl

@@ -137,10 +137,6 @@ cse!(pm) = LLVM.API.LLVMAddEarlyCSEPass(pm)
 
 function optimize!(mod::LLVM.Module, tm::LLVM.TargetMachine)
     addr13NoAlias(mod)
-    if !LLVM.has_oldpm()
-        # TODO(NewPM)
-        return
-    end
     # everying except unroll, slpvec, loop-vec
     # then finish Julia GC
     ModulePassManager() do pm