http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47576
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-02-01 17:03:38 UTC --- I see that too (x86_64-apple-darwin10.6.0 r169487): [macbook] f90/bug% gfc -O2 -fgraphite-identity /opt/gcc/work/gcc/testsuite/gfortran.dg/graphite/pr42732.f /opt/gcc/work/gcc/testsuite/gfortran.dg/graphite/pr42732.f: In function 'main': /opt/gcc/work/gcc/testsuite/gfortran.dg/graphite/pr42732.f:23:0: internal compiler error: in rename_uses, at sese.c:533