(Fpurecopy): Set the pvec tag on pseudo vectors.

2 files changed, 6 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 3c275302f9f..6f96f7da7ac 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2007-10-16  Stefan Monnier  <monnier@iro.umontreal.ca>
 
+        * alloc.c (Fpurecopy): Set the pvec tag on pseudo vectors.
+
         * lisp.h (enum Lisp_Misc_Type): Del Lisp_Misc_Some_Buffer_Local_Value.
         (XMISCANY): New macro.
         (XMISCTYPE): Use it.
diff --git a/src/alloc.c b/src/alloc.c
index 48857ecff14..c42c27f0333 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -4966,7 +4966,10 @@ Does not copy symbols.  Copies strings without text properties.  */)
       for (i = 0; i < size; i++)
         vec->contents[i] = Fpurecopy (XVECTOR (obj)->contents[i]);
       if (COMPILEDP (obj))
-        XSETCOMPILED (obj, vec);
+        {
+          XSETPVECTYPE (vec, PVEC_COMPILED);
+          XSETCOMPILED (obj, vec);
+        }
       else
         XSETVECTOR (obj, vec);
       return obj;