On Mon, Sep 28, 2020 at 05:46:08PM +0200, Jan Kratochvil wrote:
> On Mon, 28 Sep 2020 17:35:26 +0200, Jakub Jelinek wrote:
> > A way out of this could be either to use comdat .debug_info etc. sections
> > (but that would result in quite large increase of *.o file sizes), or let
> > the linker or a tool like DWZ discard or simplify such DIEs.
> > I don't see how could you see at compile time that the linker will not
> > choose the particular copy.
> Another option is to use clang which should have such optimization implemented
If you do it on the compiler side, you'll get a lot of those pesky partial
units you so hate on the lldb side.
No. The LLVM patches from Sony are using COMDAT groups you mentioned above: