Re: [Valgrind-users] Does valgrind work with Boehm garbage collector?

[John R. <jr...@bi...>]

>>     The execution recipe works for me on Fedora 28 using valgrind-3.14.0-7.fc28.x86_64.

> Also, the default on Mac is to use addresses greater than (1ul<<32).

Because the program works when _not_ run under valgrind,
then the conclusion is that valgrind-3.14.0-7 has a bug
where it stores an address in 32 bits.

To find the bug in valgrind: invoke a debug version of valgrind-3.14
under lldb on Mac, and then invoke main.l.exe under that valgrind.
The SIGSEGV should happen inside valgrind itself, so use lldb
to find the bug.