TimeDone   time.Time `json:",omitempty"`

	Cmd     []string      // `json:",omitempty"`
	CmdReal time.Duration `json:",omitempty"`
	CmdUser time.Duration `json:",omitempty"`
	CmdSys  time.Duration `json:",omitempty"`
}

// cacheKey is the key for the action cache.
type cacheKey struct {
	mode string
	p    *load.Package
}

func actionGraphJSON(a *Action) string {

			dup := ldr.Lookup(newName, ldr.SymVersion(s))
			if dup != 0 {
				st := ldr.SymType(s)
				dt := ldr.SymType(dup)
				if st == sym.Sxxx && dt != sym.Sxxx {
					ldr.CopySym(dup, s)
				}
			}
		}
	}
}

// typeSymbolMangle mangles the given symbol name into something shorter.
//
// Keep the type:. prefix, which parts of the linker (like the

// the original symbol name whereas the shared library provides a symbol with
// the mangled name. When we do mangling, we copy payload of mangled to original.
func (l *Loader) CopySym(src, dst Sym) {
	if !l.IsExternal(dst) {
		panic("dst is not external") //l.newExtSym(l.SymName(dst), l.SymVersion(dst))
	}
	if !l.IsExternal(src) {
		panic("src is not external") //l.cloneToExternal(src)
	}