[Bug ld/29998] ld terminated with signal 11 [Segmentation fault] under mingw with LTO

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29998

--- Comment #14 from Nick Clifton <nickc at redhat dot com> ---
(In reply to Jan Janssen from comment #12)
> Now it crashes here (sec->output_section is NULL):
> 
> #0  _bfd_coff_generic_relocate_section (output_bfd=0x55555581c000,

*sigh*.  Yes I suspected that that might happen.

(In reply to Jan Janssen from comment #13)
> Dunno why it it not occur to me to do a bisection…
> 514b4e191d5f46de8e142fe216e677a35fa9c4bb is the first bad commit

The patch itself is not necessarily bad, but it does give me an idea.  One of
the changes it makes is to change the linker's default behaviour so that unless
asked otherwise it will generate a .reloc output section.  Since this is the
section that is giving us problems, maybe that is the cause.  As a possible
workaround, please could you try adding "-Wl,--disable-reloc-section" to your
final gcc command line.

My guess is that now .reloc sections are being generated by default, there are
circumstances where there is insufficient information to generate them.  But
without a test case I can use locally, I am not going to be able to investigate
further.

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