hg: lambda/lambda/langtools: Fix: check that all diagnostics are dumped to output when compiler exits abruptly

[Jonathan Gibbons]

On 06/04/2012 02:13 PM, David Conrad wrote:
> The other thing I continue to be impressed by is the rapid response to
> issues.
> Fixed, thanks.:)
It's a win-win situation.  People are more likely to report issues if
they think it'll do any good. :-)

-- Jon