Address Sanitizer finding

[Jeffrey Walton]

Hi Everyone,

Is anyone else seeing a self test failure in ucommonMemory when
testing with Address Sanitizer. It looks like a valid finding to me.

$ cat test/test-suite.log
========================================
   ucommon 7.0.0: test/test-suite.log
========================================

# TOTAL: 12
# PASS:  11
# SKIP:  0
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0

=================================================================
==8672==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 32 byte(s) in 1 object(s) allocated from:
    #0 0x7f22781d8448 in operator new(unsigned long)
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x7f2277eb9d39 in ucommon::ConditionalLock::getContext()
/home/jwalton/Build-Scripts/ucommon-7.0.0/corelib/condition.cpp:420
    #2 0x7f2277eba3bb in ucommon::ConditionalLock::access()
/home/jwalton/Build-Scripts/ucommon-7.0.0/corelib/condition.cpp:488
    #3 0x7f2277ed0dd4 in ucommon::MappedPointer::access(unsigned long)
/home/jwalton/Build-Scripts/ucommon-7.0.0/corelib/shared.cpp:88
    #4 0x556a78144092 in ucommon::mapped_pointer<char,
maptest>::get(char const*)
/home/jwalton/tmp/ok2delete/include/ucommon/shared.h:231
    #5 0x556a781404a5 in main
/home/jwalton/Build-Scripts/ucommon-7.0.0/test/memory.cpp:234
    #6 0x7f22776d3b96 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b96)