Fix bug #4661: Cannot mask the absolute name.

The patch is quite dumb: it essentially consists in alpha-renaming bound
module names when printing a functor, by checking that the name was not
already present, and generating a fresh one otherwise.

1 files changed, 10 insertions, 0 deletions

diff --git a/test-suite/bugs/closed/4661.v b/test-suite/bugs/closed/4661.v
new file mode 100644
index 0000000000..03d2350a69
--- /dev/null
+++ b/test-suite/bugs/closed/4661.v
@@ -0,0 +1,10 @@
+Module Type Test.
+  Parameter t : Type.
+End Test.
+
+Module Type Func (T:Test).
+  Parameter x : Type.
+End Func.
+
+Module Shortest_path (T : Test).
+Print Func.