From 5d93e97aaa566470cdfbcdf94fb90073e8b4e294 Mon Sep 17 00:00:00 2001
From: Chris Jefferson <caj21@st-andrews.ac.uk>
Date: Tue, 2 Feb 2016 09:49:36 +0000
Subject: [PATCH 1/3] Add missing CHANGED_BAG

---
 src/opers.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/opers.c b/src/opers.c
index 2b6d475be6..8df44ac884 100644
--- a/src/opers.c
+++ b/src/opers.c
@@ -5437,6 +5437,7 @@ Obj FuncNEW_OPERATION_ARGS (
     list = NEW_PLIST( T_PLIST, 1 );
     SET_LEN_PLIST( list, 1 );
     SET_ELM_PLIST( list, 1, args );
+    CHANGED_BAG( list );
     return NewOperationArgs( name, -1, list );
 }
 

From eb67a6f81f20c386707329131814adede37c53c9 Mon Sep 17 00:00:00 2001
From: Chris Jefferson <caj21@st-andrews.ac.uk>
Date: Tue, 2 Feb 2016 10:27:04 +0000
Subject: [PATCH 2/3] Add missing CHANGED_BAG calls

---
 src/opers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/opers.c b/src/opers.c
index 8df44ac884..0b29289afd 100644
--- a/src/opers.c
+++ b/src/opers.c
@@ -1613,6 +1613,7 @@ Obj CallHandleMethodNotFound( Obj oper,
   SET_LEN_PLIST(arglist,nargs);
   for (i = 0; i < nargs; i++)
     SET_ELM_PLIST( arglist, i+1, args[i]);
+  CHANGED_BAG(arglist);
   AssPRec(r,RNamArguments,arglist);
   AssPRec(r,RNamIsVerbose,verbose ? True : False);
   AssPRec(r,RNamIsConstructor,constructor ? True : False);
@@ -6321,15 +6322,18 @@ static Int InitLibrary (
     C_NEW_STRING_CONST( str, "obj" );
     RESET_FILT_LIST( str, FN_IS_MUTABLE );
     SET_ELM_PLIST( ArglistObj, 1, str );
+    CHANGED_BAG( ArglistObj );
 
     ArglistObjVal = NEW_PLIST( T_PLIST+IMMUTABLE, 2 );
     SET_LEN_PLIST( ArglistObjVal, 2 );
     C_NEW_STRING_CONST( str, "obj" );
     RESET_FILT_LIST( str, FN_IS_MUTABLE );
     SET_ELM_PLIST( ArglistObjVal, 1, str );
+    CHANGED_BAG( ArglistObjVal );
     C_NEW_STRING_CONST( str, "val" );
     RESET_FILT_LIST( str, FN_IS_MUTABLE );
     SET_ELM_PLIST( ArglistObjVal, 2, str );
+    CHANGED_BAG( ArglistObjVal );
 
     HIDDEN_IMPS = NEW_PLIST(T_PLIST, 0);
     SET_LEN_PLIST(HIDDEN_IMPS, 0);

From 5973aee2917e267540371ff8ec190168c87b81eb Mon Sep 17 00:00:00 2001
From: Chris Jefferson <caj21@st-andrews.ac.uk>
Date: Tue, 2 Feb 2016 18:12:47 +0000
Subject: [PATCH 3/3] Fix two GC issues: Split assignment into two pieces and
 add missing CHANGED_BAG

---
 src/opers.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/opers.c b/src/opers.c
index 0b29289afd..8c2ad00739 100644
--- a/src/opers.c
+++ b/src/opers.c
@@ -5156,6 +5156,7 @@ Obj NewOperationArgs (
     Obj                 nams )
 {
     Obj                 func;
+    Obj                 namobj;
 
     /* create the function                                                 */
     func = NewFunctionT( T_FUNCTION, SIZE_FUNC, name, narg, nams, 
@@ -5178,7 +5179,9 @@ Obj NewOperationArgs (
     }
 
     /* added the name                                                      */
-    NAME_FUNC(func) = CopyObj( name, 0 );
+    namobj = CopyObj( name, 0 );
+    NAME_FUNC(func) = namobj;
+    CHANGED_BAG(func);
 
     /* and return                                                          */
     return func;