[Bug gas/26753] New: aarch64: Internal error in ldst_lo12_determine_real_reloc_type

[nate at thatsmathematics dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=26753

            Bug ID: 26753
           Summary: aarch64: Internal error in
                    ldst_lo12_determine_real_reloc_type
           Product: binutils
           Version: 2.36 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: nate at thatsmathematics dot com
  Target Milestone: ---

Created attachment 12909
  --> https://sourceware.org/bugzilla/attachment.cgi?id=12909&action=edit
Test case

gas aarch64 dies with an internal error when assembling the invalid instruction

        ldrb x1, [x0, #:lo12:my_char]

(It should be w1 instead of x1.)  Complete file attached.

Reproducible with HEAD and 2.34 as shipped with Ubuntu 20.04.

The message is:

/tmp/foo.s: Assembler messages:
/tmp/foo.s:3: Internal error in ldst_lo12_determine_real_reloc_type at
../../gas/config/tc-aarch64.c:5514.
Please report this bug.

Line 5514 is:

  gas_assert (opd1_qlf != AARCH64_OPND_QLF_NIL);

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