When reporting an error about an attempt to re-lock an already-locked
lock, also report the stack where the lock was previously locked.
This makes it easier to diagnose deadlocks.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11234 a5019735-40e9-0310-863c-91ae7b9d1cf9
3 files changed