bpo-40019: Skip test_gdb if Python was optimized (GH-19081)

test_gdb now skips tests if it detects that gdb failed to read debug
information because the Python binary is optimized.
(cherry picked from commit 7bf069b6110278102c8f4719975a5eb5a5af25f9)

Co-authored-by: Victor Stinner <vstinner@python.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/Lib/test/test_gdb.py b/Lib/test/test_gdb.py
index e106033..bd9a5cb 100644
--- a/Lib/test/test_gdb.py
+++ b/Lib/test/test_gdb.py
@@ -230,6 +230,15 @@ class DebuggerTests(unittest.TestCase):
                                     " because the Program Counter is"
                                     " not present")
 
+        # bpo-40019: Skip the test if gdb failed to read debug information
+        # because the Python binary is optimized.
+        for pattern in (
+            '(frame information optimized out)',
+            'Unable to read information on python frame',
+        ):
+            if pattern in out:
+                raise unittest.SkipTest(f"{pattern!r} found in gdb output")
+
         return out
 
     def get_gdb_repr(self, source,