[Bug binutils/24768] New: Stop using __gnu_lto_slim symbol as a detection of a slim LTO object

[marxin.liska at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=24768

            Bug ID: 24768
           Summary: Stop using __gnu_lto_slim symbol as a detection of a
                    slim LTO object
           Product: binutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: marxin.liska at gmail dot com
  Target Milestone: ---

Recently I've added a new LTO section that is emitted by GCC:
.gnu.lto_.lto.*. Purpose of the section is to provide meta information about a
LTO object. One of the information is about slim or fat LTO object.
For the future, I would like to remote emission of __gnu_lto_slim in the GCC
compiler. I know it's an 'ABI' break and we still want to support a new GCC
with an older binutils. However, I would like to teach binutils about the new
LTO section soon.

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