[Bug testsuite/30185] FAIL: gdb.python/py-record-btrace.exp: function call: python print(c == c.next.prev)

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=30185

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
If this the same root cause as the existing xfail, we can detect it using:
...
diff --git a/gdb/testsuite/gdb.python/py-record-btrace.exp
b/gdb/testsuite/gdb.p
ython/py-record-btrace.exp
index 703db0ce8e1..f62316b7b1c 100644
--- a/gdb/testsuite/gdb.python/py-record-btrace.exp
+++ b/gdb/testsuite/gdb.python/py-record-btrace.exp
@@ -101,6 +101,23 @@ with_test_prefix "prepare record" {
        return
     }

+    gdb_test_multiple "python print(len(insn))" "" {
+       -re -wrap "100" {
+           pass $gdb_test_name
+       }
+       -re -wrap "" {
+           if { $have_xfail } {
+               xfail $gdb_test_name
+               set got_xfail 1
+           } else {
+               fail $gdb_test_name
+           }
+       }
+    }
+    if { $got_xfail } {
+       return
+    }
+
     gdb_test_no_output "python call = r.function_call_history"
     gdb_test_no_output "python i = insn\[0\]"
     gdb_test_no_output "python c = call\[0\]"
@@ -138,7 +155,6 @@ with_test_prefix "function call" {
 }

 with_test_prefix "list" {
-    gdb_test "python print(len(insn))" "100"
     gdb_test "python print(len(insn\[23:65\]))" "42"
     gdb_test "python print(insn\[17:\]\[2\].number)" "20"
     gdb_test "python print(i in insn)" "True"
...

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