Fix for issue #10.

git-svn-id: http://llvm-py.googlecode.com/svn/trunk@59 8d1e9007-1d4e-0410-b67e-1979fd6579aa

test/issue10.py

@@ -0,0 +1,20 @@
+
+from llvm.core import *
+import llvm._core
+
+m = Module.new('a')
+ti = Type.int()
+tf = Type.function(ti, [ti, ti])
+
+f = m.add_function(tf, "func1")
+
+bb = f.append_basic_block('entry')
+
+b = Builder.new(bb)
+
+# There are no instructions in bb. Positioning of the
+# builder at beginning (or end) should succeed (trivially).
+
+b.position_at_end(bb)
+b.position_at_beginning(bb)
+