[Bug gdb/30713] New: do not catch 'const gdb_exception &'

[Bug gdb/30713] New: do not catch 'const gdb_exception &'

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30713

            Bug ID: 30713
           Summary: do not catch 'const gdb_exception &'
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: tromey at sourceware dot org
  Target Milestone: ---

Right now a fair amount of code looks like:

try
...
catch (const gdb_exception &)
... stuff

However,this can end up swallowing a QUIT if one is not careful.

I think it would be better to catch 'const gdb_exception_error &'
in nearly every spot.

One question is what to do with this:

struct gdb_quit_bad_alloc
  : public gdb_exception_quit,
    public std::bad_alloc


I don't know why it derives from the _quit form and not
_error.  Perhaps that's fine, though, since it would just
end up returning to the top level.

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[Bug gdb/30713] do not catch 'const gdb_exception &'

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30713

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |30714


Referenced Bugs:

https://sourceware.org/bugzilla/show_bug.cgi?id=30714
[Bug 30714] make DWARF CU expansion interruptible
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