ENH: Better policies for functions and macros

This teaches functions and macros to use policies recorded at creation
time when they are invoked.  It restores the policies as a weak policy
stack entry so that any policies set by a function escape to its caller
as before.

1 files changed, 4 insertions, 0 deletions

diff --git a/Tests/PolicyScope/main.c b/Tests/PolicyScope/main.c
new file mode 100644
index 0000000..f8b643a
--- /dev/null
+++ b/Tests/PolicyScope/main.c
@@ -0,0 +1,4 @@
+int main()
+{
+  return 0;
+}