profiling binutils linkers in nixpkgs

background I’ve been using binutils-2.45 against local nixpkgs checkout for a while to weed out minor problems in other packages. So far I encountered my old friend guile over-stripping issue . GNU gold linker was deprecated in binutils upstream as it does not have developer power behind it. While bfd linker (the default) gets maintenance attention. binutils-2.45 intentionally does not have gold…