[Bug gdb/18449] New: GDB crashes on OSX

["andy.somogyi at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18449

            Bug ID: 18449
           Summary: GDB crashes on OSX
           Product: gdb
           Version: 7.9
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: andy.somogyi at gmail dot com
  Target Milestone: ---

When debugging any non-trivial program, such as the python interpreter, or
virtually any other non-trivial program, gdb will hang on OSX with 100% cpu
usage. 

The problem started somewhere after 6.3, as the Apple provided GDB 6.3 works
perfectly. I've verified this problem with GDB 7.9 and 7.7. Also verified this
on 3 different machines, with 3 different OSX versions. 

On OSX 10.7, when using the built in GDB 6.3, no problems are found. However,
when installing GDB 7.9 from homebrew, the problem exists. On two other
machines, with OSX 10.9 and 10.10, has the same problems with GDB 7.7 and 7.9
and 7.9.1  

This is using GDB through eclipse. 

The initial breakpoint in main is always found just fine, and the first 3-4
breakpoints are also found, then after say 3-4 continues, gdb itself will hang
with 100% cpu usage.

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