Added a chk to make sure that an expression is discardable before removing it.
Added a chk to make sure that an expression is discardable before removing it.
bgarrels/zorba,cezarfx/zorba,28msec/zorba,cezarfx/zorba,bgarrels/zorba,cezarfx/zorba,bgarrels/zorba,cezarfx/zorba,cezarfx/zorba,cezarfx/zorba,28msec/zorba,bgarrels/zorba,28msec/zorba,28msec/zorba,cezarfx/zorba,bgarrels/zorba,28msec/zorba,cezarfx/zorba,bgarrels/zorba,28msec/zorba,bgarrels/zorba,28msec/zorba,28msec/zorba,28msec/zorba,cezarfx/zorba,cezarfx/zorba,bgarrels/zorba