Init globals before lowering CTCE, allows CTCE to use imported functions, etc.

tests/test_ctce.expected_results

@@ -1,2 +1,14 @@
 3
 hello, world
+From Shell
+From Shell
+From Shell
+From Shell
+From Shell
+From Shell
+From Shell
+From Shell
+From Shell
+From Shell
+true
+true