code_native does not work with llvm 3.5.0rc3

[eschnett]

I build Julia from source (OS X) using llvm 3.5.0rc3. code_llvm works fine, but code_native does not:

julia> code_llvm(muladd, (Float64,Float64,Float64))

define double @julia_muladd38680(double, double, double) {
top:
  %3 = fmul double %0, %1, !dbg !8
  %4 = fadd double %3, %2, !dbg !8
  ret double %4, !dbg !8
}

julia> code_native(muladd, (Float64,Float64,Float64))
Warning: Unable to find ObjectFile for function
ERROR: no method found for the specified argument types

Is this a known issue? Or could this be a problem with my build, or maybe a missing environment variable setting?

[tknopp]

According to #6737 work has been done to make this work with MCJIT. Ping @ihnorton.

[ihnorton]

I don't have access to my 3.5 build now, but I'll take a look tonight. Quite likely related to #7910 as both use similar machinery underneath.

[jakebolewski]

I believe that the LLVM devs reverted some of @Keno's patches upstream recently which were needed to make this work.

[eschnett]

I tried again with LLVM 3.5.0. Things work on Linux (I didn't try that earlier), but break on OS X.

[jakebolewski]

The reverted patches were for the MachO format.

[eschnett]

Which patch is this? Is there a bug report open with LLVM to get this functionality back in?