[Bug gdb/33255] New: [gdb] FAIL: gdb.arch/aarch64-atomic-inst.exp: Step through the ldxr/stxr sequence (timeout)

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=33255

            Bug ID: 33255
           Summary: [gdb] FAIL: gdb.arch/aarch64-atomic-inst.exp: Step
                    through the ldxr/stxr sequence (timeout)
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

Today I noticed this failure on aarch64-linux:
...
(gdb) PASS: gdb.arch/aarch64-atomic-inst.exp: Continue until breakpoint
next^M
FAIL: gdb.arch/aarch64-atomic-inst.exp: Step through the ldxr/stxr sequence
(timeout)
...

Bisects to:
...
commit 14de1447c9c52c1bfc52588f8652836f66ac6c47 (HEAD)
Date:   Wed Jun 7 08:56:03 2023 -0600

    Call target_can_do_single_step from maybe_software_singlestep
...

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