verify that warnings are issued for bogus uses of global
diff --git a/Lib/test/test_global.py b/Lib/test/test_global.py
new file mode 100644
index 0000000..7670ad1
--- /dev/null
+++ b/Lib/test/test_global.py
@@ -0,0 +1,40 @@
+"""Verify that warnings are issued for global statements following use"""
+
+from test_support import check_syntax
+
+import warnings
+
+warnings.filterwarnings("error", category=SyntaxWarning, module=__name__)
+
+def compile_and_catch_warning(text):
+ try:
+ compile(text, "<test code>", "exec")
+ except SyntaxWarning, msg:
+ print "got SyntaxWarning as expected"
+ else:
+ print "expected SyntaxWarning"
+
+prog_text_1 = """
+def wrong1():
+ a = 1
+ b = 2
+ global a
+ global b
+"""
+compile_and_catch_warning(prog_text_1)
+
+prog_text_2 = """
+def wrong2():
+ print x
+ global x
+"""
+compile_and_catch_warning(prog_text_2)
+
+prog_text_3 = """
+def wrong3():
+ print x
+ x = 2
+ global x
+"""
+compile_and_catch_warning(prog_text_3)
+