if (tcmdPtr->flags & TCL_TRACE_EXEC_IN_PROGRESS) {
			/*
			 * Postpone deletion.
			 */

			tcmdPtr->flags = 0;
		    }
		    if ((--tcmdPtr->refCount) <= 0) {
			ckfree(tcmdPtr);
		    }
		    break;
		}
	    }
	}
	break;

		if ((tcmdPtr->length == length) && (tcmdPtr->flags == flags)
			&& (strncmp(command, tcmdPtr->command,
				(size_t) length) == 0)) {
		    Tcl_UntraceCommand(interp, name, flags | TCL_TRACE_DELETE,
			    TraceCommandProc, clientData);
		    tcmdPtr->flags |= TCL_TRACE_DESTROYED;
		    if ((--tcmdPtr->refCount) <= 0) {
			ckfree(tcmdPtr);
		    }
		    break;
		}
	    }
	}
	break;

    tracePtr->nextPtr = cmdPtr->tracePtr;
    tracePtr->refCount = 1;
    cmdPtr->tracePtr = tracePtr;
    if (tracePtr->flags & TCL_TRACE_ANY_EXEC) {
	/*
	 * Bug 3484621: up the interp's epoch if this is a BC'ed command
	 */
	
	if ((cmdPtr->compileProc != NULL) && !(cmdPtr->flags & CMD_HAS_EXEC_TRACES)){
	    Interp *iPtr = (Interp *) interp;
	    iPtr->compileEpoch++;
	}
	cmdPtr->flags |= CMD_HAS_EXEC_TRACES;
    }

    
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_UntraceCommand --

    if (prevPtr == NULL) {
	cmdPtr->tracePtr = tracePtr->nextPtr;
    } else {
	prevPtr->nextPtr = tracePtr->nextPtr;
    }
    tracePtr->flags = 0;

    if ((--tracePtr->refCount) <= 0) {
	ckfree(tracePtr);
    }

    if (hasExecTraces) {
	for (tracePtr = cmdPtr->tracePtr, prevPtr = NULL; tracePtr != NULL ;
		prevPtr = tracePtr, tracePtr = tracePtr->nextPtr) {
	    if (tracePtr->flags & TCL_TRACE_ANY_EXEC) {

	 */

	cmdPtr->flags &= ~CMD_HAS_EXEC_TRACES;

        /*
	 * Bug 3484621: up the interp's epoch if this is a BC'ed command
	 */
	
	if (cmdPtr->compileProc != NULL) {
	    Interp *iPtr = (Interp *) interp;
	    iPtr->compileEpoch++;
	}
    }
}


	state = Tcl_SaveInterpState(interp, TCL_OK);
	Tcl_UntraceCommand(interp, oldName, untraceFlags,
		TraceCommandProc, clientData);
	Tcl_RestoreInterpState(interp, state);
	tcmdPtr->refCount--;
    }
    if ((--tcmdPtr->refCount) <= 0) {
	ckfree(tcmdPtr);
    }
}

/*
 *----------------------------------------------------------------------
 *

		tcmdPtr->curCode  = code;
		tcmdPtr->refCount++;
		if (state == NULL) {
		    state = Tcl_SaveInterpState(interp, code);
		}
		traceCode = TraceExecutionProc(tcmdPtr, interp, curLevel,
			command, (Tcl_Command) cmdPtr, objc, objv);
		if ((--tcmdPtr->refCount) <= 0) {
		    ckfree(tcmdPtr);
		}
	    }
	}
	if (active.nextTracePtr) {
	    lastTracePtr = active.nextTracePtr->nextPtr;
	}

static void
CommandObjTraceDeleted(
    ClientData clientData)
{
    TraceCommandInfo *tcmdPtr = clientData;

    if ((--tcmdPtr->refCount) <= 0) {
	ckfree(tcmdPtr);
    }
}

/*
 *----------------------------------------------------------------------
 *

	    tcmdPtr->stepTrace = NULL;
	    if (tcmdPtr->startCmd != NULL) {
		ckfree(tcmdPtr->startCmd);
	    }
	}
    }
    if (call) {
	if ((--tcmdPtr->refCount) <= 0) {
	    ckfree(tcmdPtr);
	}
    }
    return traceCode;
}

/*