When the Polyhedron 2005 benchmark air.f90 is compiled with -fgraphite-identity, the compiler ICEs with the error...
gfortran -O2 -fgraphite-identity air.f90 -o air air.f90: In function spectop: air.f90:1064:0: error: Incompatible types in PHI argument 0 character(kind=4) integer(kind=4) ivtmp.1799_745 = PHI <var.1825_744(157), D.2584_20(158)> air.f90:1064:0: internal compiler error: verify_stmts failed Using built-in specs. Target: x86_64-apple-darwin10 Configured with: ../gcc-4.5-20090805/configure --prefix=/sw --prefix=/sw/lib/gcc4.5 --mandir=/sw/share/man --infodir=/sw/share/info --enable-languages=c,c++,fortran,objc,java --with-gmp=/sw --with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --disable-libjava-multilib --build=x86_64-apple-darwin10 --host=x86_64-apple-darwin10 --target=x86_64-apple-darwin10 Thread model: posix gcc version 4.5.0 20090805 (experimental) (GCC) -- Summary: air.f90 ICEs compiler with -fgraphite-identity Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: howarth at nitro dot med dot uc dot edu GCC build triplet: x86_64-apple-darwin10 GCC host triplet: x86_64-apple-darwin10 GCC target triplet: x86_64-apple-darwin10 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40980