bpo-21263: Skip test_gdb when python has been compiled with LLVM clang (pythonGH-10318)

(cherry picked from commit 59668aa)

Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>

Author: lysnikolaou

Lib/test/test_gdb.py

@@ -5,6 +5,7 @@
 
 import locale
 import os
+import platform
 import re
 import subprocess
 import sys
@@ -54,6 +55,10 @@ def get_gdb_version():
 if not sysconfig.is_python_build():
     raise unittest.SkipTest("test_gdb only works on source builds at the moment.")
 
+if 'Clang' in platform.python_compiler() and sys.platform == 'darwin':
+    raise unittest.SkipTest("test_gdb doesn't work correctly when python is"
+                            " built with LLVM clang")
+
 # Location of custom hooks file in a repository checkout.
 checkout_hook_path = os.path.join(os.path.dirname(sys.executable),
                                   'python-gdb.py')

Misc/ACKS

@@ -1107,6 +1107,7 @@ Samuel Nicolary
 Jonathan Niehof
 Gustavo Niemeyer
 Oscar Nierstrasz
+Lysandros Nikolaou
 Hrvoje Nikšić
 Gregory Nofi
 Jesse Noller

Misc/NEWS.d/next/Tests/2018-11-04-20-17-09.bpo-21263.T3qo9r.rst

@@ -0,0 +1,4 @@
+After several reports that test_gdb does not work properly on macOS and
+since gdb is not shipped by default anymore, test_gdb is now skipped on
+macOS when LLVM Clang has been used to compile Python. Patch by
+Lysandros Nikolaou