https://sourceware.org/bugzilla/show_bug.cgi?id=34026

            Bug ID: 34026
           Summary: sframe segfaults
           Product: binutils
           Version: 2.47 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: amodra at gmail dot com
  Target Milestone: ---

from an oss-fuzz testcase, considerably cleaned up.

testcase 1
 .cfi_sections .sframe
 .cfi_startproc simple
 nop
 .cfi_undefined 0
 nop
 .cfi_rel_offset 0,0
=> segfault in sframe_fre_set_end_addr

testcase 2
 .cfi_sections .sframe
 .cfi_startproc
 .cfi_rel_offset 0,0
=> segfault in resolve_symbol_value called from
sframe_estimate_size_before_relax

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