[patch-rfc] N2179: Exception Propagation in C++

[Paolo Carlini]

Sebastian Redl wrote:
> So basically, we've lowered the baseline to -1. OK, in that case 
> you're right.
For me, your initial patch (using __sync_sub_and_fetch and 1) leaks 
memory, for instance rethrow_exception.cc leaks 784 bytes in 7 blocks, 
as reported by valgrind. Exactly the same behavior of the committed version.

Please help with the issue.

Thanks,
Paolo.