If running gcc with glibc malloc checking turned on (MALLOC_CHECK_=2), on heap
corruption the SIGABRT raised by glibc will cause gcc to deadlock because it
calls async-singal-unsafe malloc () from the signal context to do the
diagnostic.


-- 
           Summary: GCC calls malloc from within signal context
           Product: gcc
           Version: 4.1.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28859

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