does not throw property for Function (Andrew Straw)

git-svn-id: http://llvm-py.googlecode.com/svn/trunk@79 8d1e9007-1d4e-0410-b67e-1979fd6579aa

test/testall.py

@@ -282,6 +282,8 @@ def do_function():
     f.delete()
     ft = Type.function(ti, [ti]*20)
     f = Function.new(m, ft, 'func2')
+    has_nounwind = f.does_not_throw
+    f.does_not_throw = True
     f2 = Function.intrinsic(m, INTR_COS, [ti])
     g = f.intrinsic_id
     f.calling_convenion = CC_FASTCALL