When the Polyhedron 2005 benchmark induct.f90 is compiled with... gfortran -O3 -fgraphite-identity -floop-interchange induct.f90 -o induct
...the compiler ICEs with errors of the form... induct.f90: In function ‘mutual_ind_quad_cir_coil’: induct.f90:1441:0: error: virtual SSA name for non-VOP decl while verifying SSA_NAME var.1895_512 in statement # .MEM_407 = VDEF <.MEM_408> var.1895_512 = __builtin_cexpi (var.1894_513); induct.f90:1441:0: error: virtual SSA name for non-VOP decl while verifying SSA_NAME var.1893_518 in statement # .MEM_408 = VDEF <.MEM_409> var.1893_518 = __builtin_cexpi (var.1892_1429); induct.f90:1441:0: error: virtual SSA name for non-VOP decl while verifying SSA_NAME var.1890_579 in statement # .MEM_409 = VDEF <.MEM_410> var.1890_579 = __builtin_cexpi (var.1889_580); induct.f90:1441:0: error: virtual SSA name for non-VOP decl while verifying SSA_NAME var.1888_597 in statement .... while verifying SSA_NAME var.2069_3678 in statement # .MEM_3715 = VDEF <.MEM_3714> var.2069_3678 = __builtin_cexpi (var.2068_3677); induct.f90:1441:0: error: virtual SSA name for non-VOP decl while verifying SSA_NAME var.2071_3685 in statement # .MEM_3716 = VDEF <.MEM_3715> var.2071_3685 = __builtin_cexpi (var.2070_3684); induct.f90:1441:0: internal compiler error: in is_hidden_global_store, at tree-ssa-sink.c:196 The ICE doesn't occur with -O2 -fgraphite-identity -floop-interchange. 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) with http://gcc.gnu.org/ml/gcc-patches/2009-08/msg00220.html and http://gcc.gnu.org/ml/gcc-patches/2009-08/msg00294.html applied to r150500. -- Summary: induct.f90 ICEs compiler using -O3 -fgraphite-identity - floop-interchange 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=40982