Issue #17923: glob() patterns ending with a slash no longer match non-dirs on

AIX.  Based on patch by Delhallt.

Lib/glob.py

@@ -26,11 +26,16 @@ def iglob(pathname):
     patterns.
 
     """
+    dirname, basename = os.path.split(pathname)
     if not has_magic(pathname):
-        if os.path.lexists(pathname):
-            yield pathname
+        if basename:
+            if os.path.lexists(pathname):
+                yield pathname
+        else:
+            # Patterns ending with a slash should match only directories
+            if os.path.isdir(dirname):
+                yield pathname
         return
-    dirname, basename = os.path.split(pathname)
     if not dirname:
         yield from glob1(None, basename)
         return

Misc/NEWS

@@ -27,6 +27,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #17923: glob() patterns ending with a slash no longer match non-dirs on
+  AIX.  Based on patch by Delhallt.
+
 - Issue #21121: Don't force 3rd party C extensions to be built with
   -Werror=declaration-after-statement.