This problem occurs when compiling part of ParMetis-3.1:

/usr/bin/mpicc -save-temps -O3  -I. -I/opt/local/include -I/usr/include/malloc
-c node_refine.c
node_refine.c: In function ‘KWayNodeRefine__’:
node_refine.c:114:6: internal compiler error: Segmentation fault


-- 
           Summary: Segmentation fault when called by mpicc
           Product: gcc
           Version: 4.2.1
            Status: UNCONFIRMED
          Severity: critical
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: andrew_newell at ncsu dot edu
 GCC build triplet: x86_64-apple-darwin10
  GCC host triplet: x86_64-apple-darwin10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41956