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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/30185] New: FAIL: gdb.python/py-record-btrace.exp:
 function call: pyth\ on print(c == c.next.prev)
Date: Wed, 01 Mar 2023 10:57:23 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30185

            Bug ID: 30185
           Summary: FAIL: gdb.python/py-record-btrace.exp: function call:
                    pyth\ on print(c =3D=3D c.next.prev)
           Product: gdb
           Version: 12.1
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

I ran into:
...
(gdb) PASS: gdb.python/py-record-btrace.exp: function call: python
print(c.prev)
python print(c =3D=3D c.next.prev)^M
Traceback (most recent call last):^M
  File "<string>", line 1, in <module>^M
AttributeError: 'NoneType' object has no attribute 'prev'^M
Error while executing Python code.^M
(gdb) FAIL: gdb.python/py-record-btrace.exp: function call: python print(c =
=3D=3D
c.next.prev)
...

Setup:
- x86_64 (i7-1250U)
- gdb 12.1 based package
- openSUSE Leap 15.4
- chroot with packages from openSUSE Leap 15.4
- test exec is PIE
- libipt 2.0.5

I haven't been able to reproduce it.

The first FAIL seems to be just a consequence from the fact that we have ju=
st 4
insns instead of 100:
...
python print(len(insn))^M
4^M
...

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