DISPATCH-1387 - fix asserts on stack operations. This closes #538
DISPATCH-1387 - fix asserts on stack operations. This closes #538

(cherry picked from commit f44f3c3276843f77197ac1e5b3014120234376ab)

apache/dispatch,mgoulish/qpid-dispatch,kgiusti/dispatch,ted-ross/qpid-dispatch,bhardesty/qpid-dispatch,kgiusti/dispatch,ChugR/qpid-dispatch,apache/qpid-dispatch,kgiusti/dispatch,bhardesty/qpid-dispatch,ChugR/qpid-dispatch,ted-ross/qpid-dispatch,ErnieAllen/qpid-dispatch,bhardesty/qpid-dispatch,mgoulish/qpid-dispatch,ChugR/qpid-dispatch,mgoulish/qpid-dispatch,bhardesty/qpid-dispatch,mgoulish/qpid-dispatch,apache/qpid-dispatch,apache/dispatch,apache/qpid-dispatch,kgiusti/dispatch,apache/dispatch,kgiusti/dispatch,ChugR/qpid-dispatch,bhardesty/qpid-dispatch,ted-ross/qpid-dispatch,apache/dispatch,ganeshmurthy/qpid-dispatch,ganeshmurthy/qpid-dispatch,ChugR/qpid-dispatch,ErnieAllen/qpid-dispatch,apache/dispatch,ted-ross/qpid-dispatch,ErnieAllen/qpid-dispatch,ted-ross/qpid-dispatch,apache/dispatch,ErnieAllen/qpid-dispatch,mgoulish/qpid-dispatch,bhardesty/qpid-dispatch,ted-ross/qpid-dispatch,ErnieAllen/qpid-dispatch,apache/qpid-dispatch,ChugR/qpid-dispatch,mgoulish/qpid-dispatch,ganeshmurthy/qpid-dispatch,ganeshmurthy/qpid-dispatch,ErnieAllen/qpid-dispatch,apache/dispatch,kgiusti/dispatch,bhardesty/qpid-dispatch,apache/qpid-dispatch,ganeshmurthy/qpid-dispatch,ganeshmurthy/qpid-dispatch,apache/qpid-dispatch