Re: C++ PATCH to emit_tinfo_decl

[Richard Henderson <rth at redhat dot com>]

On Thu, May 16, 2002 at 05:45:15AM +0100, Jason Merrill wrote:
> My earlier patch broke mips-elf because rtti.c lies to the backend,
> pretending that all typeinfo nodes have type type_info, which has
> sizeof==8.  So the mips-elf toolchain decides it can get to one with a
> gp-relative reloc.  Of course, the node for bad_exception is actually of a
> larger type.  And it is in a separate linkonce section.  Both of these
> cause the optimization to be wrong; the second is easier to use in a fix.
> So now we check DECL_COMDAT in the mips backend.

That's not really the best of ideas.  Previously, we put small comdat
variables in .gnu.linkonce.s.*, which gets merged with .sdata.

Can we just not lie about the size?


r~