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Dumping empty stack kills VM

Description

We normally walk at least one stack frame backwards before checking we've reached the stack frame sentinel. In the case of an empty stack there is no further frame so we try to walk backward using the sentinel value that kills the VM. An explicit test for an empty stack is needed in VM_Scheduler dumpStack.

Environment

Status

Assignee

Ian Rogers

Reporter

Ian Rogers

Fix versions

Affects versions

2.9.3

Priority

Medium