Enable frame introspection!

The code was already in but it was turned off due to the
compile time regressions.  The addition af kill flags seems
to have fixed it.

We now have the locals() method working and can start to implement
other similar features.

src/core/options.cpp

@@ -56,6 +56,6 @@ bool ENABLE_REOPT = 1 && _GLOBAL_ENABLE;
 bool ENABLE_PYSTON_PASSES = 1 && _GLOBAL_ENABLE;
 bool ENABLE_TYPE_FEEDBACK = 1 && _GLOBAL_ENABLE;
 
-bool ENABLE_FRAME_INTROSPECTION = 0;
+bool ENABLE_FRAME_INTROSPECTION = 1;
 bool BOOLS_AS_I64 = ENABLE_FRAME_INTROSPECTION;
 }

test/tests/locals_test.py

-# expected: fail
-# - locals not supported
-
 def f1():
     l = []
     for i in xrange(5):