[Bug gold/31182] New: /usr/bin/ld.gold: internal error in try_fix_erratum_843419_optimized, at ../../gold/aarch64.cc:2114

[behrooze at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=31182

            Bug ID: 31182
           Summary: /usr/bin/ld.gold: internal error in
                    try_fix_erratum_843419_optimized, at
                    ../../gold/aarch64.cc:2114
           Product: binutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at gmail dot com
          Reporter: behrooze at gmail dot com
                CC: ian at airs dot com
  Target Milestone: ---

I appear to be hitting an internal assertion in the gold linker causing linking
to fail. It is 100% reproducible for a particular build target. A slight change
in the source code can get rid of the issue, which I assume is by chance the
problematic assembly sequence is not generated.

I was able to reproduce this on binutils 2.41 as well as on 2.34

I can work around this by downgrading the optimization level to `-O1`. I also
found that I can work around this by disabling the errata fix via
`--no-fix-cortex-a53-843419` option. However, I do not want to disable it given
that it is meant to work around a hardware erratum.

If needed, I can provide more information about my build environment.

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