[Issue 4385] New: Uncaught exceptions should dump a core

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4385

           Summary: Uncaught exceptions should dump a core
           Product: D
           Version: D1 & D2
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: druntime
        AssignedTo: sean at invisibleduck.org
        ReportedBy: llucax at gmail.com


--- Comment #0 from Leandro Lucarella <llucax at gmail.com> 2010-06-24 17:43:57 PDT ---
Right now an uncaught exception just prints the exception name (or the
backtrace in the better case) and make the program exit with status 1.

This is really bad for debugging purposes, and specially harmful for the assert
statement. I find the assert statement close to useless because this
limitation, because I can't inspect the dead program to see what happened as
one usually do with C++ (which calls abort when there is an uncaught exception,
resulting in a core dump).

I'm finding myself removing asserts (specially when they test for null
pointers, as the null pointer gives me a dump eventually) or doing a custom
assert that calls C's abort().

PS: I'm marking this as a druntime issue even when applies to D1 because it is
a runtime issue (and maybe nobody wants to touch Phobo's 1 runtime).

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