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-rw-r--r--generic/tclListObj.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/generic/tclListObj.c b/generic/tclListObj.c
index 20b6ec1..5c625e1 100644
--- a/generic/tclListObj.c
+++ b/generic/tclListObj.c
@@ -624,10 +624,12 @@ Tcl_ListObjAppendElement(
listRepPtr->refCount++;
oldListRepPtr->refCount--;
listPtr->internalRep.twoPtrValue.ptr1 = (void *) listRepPtr;
+ listPtr->internalRep.twoPtrValue.ptr2 = NULL;
} else if (newSize) {
listRepPtr = (List *) ckrealloc((char *)listRepPtr, (size_t)newSize);
listRepPtr->maxElemCount = newMax;
listPtr->internalRep.twoPtrValue.ptr1 = (void *) listRepPtr;
+ listPtr->internalRep.twoPtrValue.ptr2 = NULL;
}
/*
@@ -918,6 +920,7 @@ Tcl_ListObjReplace(
}
listPtr->internalRep.twoPtrValue.ptr1 = (void *) listRepPtr;
+ listPtr->internalRep.twoPtrValue.ptr2 = NULL;
listRepPtr->refCount++;
elemPtrs = &listRepPtr->elements;
@@ -1568,6 +1571,7 @@ TclListObjSetElement(
listRepPtr->refCount++;
listRepPtr->elemCount = elemCount;
listPtr->internalRep.twoPtrValue.ptr1 = (void *) listRepPtr;
+ listPtr->internalRep.twoPtrValue.ptr2 = NULL;
oldListRepPtr->refCount--;
}