https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66926
Bug ID: 66926 Summary: [6 regression] FAIL: gfortran.dg/graphite/vect-pr40979.f90 -O (internal compiler error) Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: sch...@linux-m68k.org CC: ienkovich at gcc dot gnu.org, ysrumyan at gmail dot com Target Milestone: --- Target: aarch64-*-* $ gcc/gfortran -Bgcc/ -Baarch64-suse-linux/./libgfortran/ ../gcc/testsuite/gfortran.dg/graphite/vect-pr40979.f90 -O2 -fgraphite-identity -ftree-vectorize -fno-vect-cost-model -fdump-tree-vect-details -ffast-math -S -o vect-pr40979.s ../gcc/testsuite/gfortran.dg/graphite/vect-pr40979.f90:8:0: subroutine mutual_ind_quad_cir_coil (m, l12) ^ Error: definition in block 18 does not dominate use in block 10 for SSA_NAME: .MEM_107 in statement: # VUSE <.MEM_107> vect__119.42_81 = MEM[(real(kind=8) *)vectp_w2gauss.40_142]; ../gcc/testsuite/gfortran.dg/graphite/vect-pr40979.f90:8:0: internal compiler error: verify_ssa failed 0xdde88f verify_ssa(bool, bool) ../../gcc/tree-ssa.c:1047 0xb1a163 execute_function_todo ../../gcc/passes.c:1955 0xb1aa47 execute_todo ../../gcc/passes.c:2005 5ee742c436320e28bd6d977f0f734d65830bca46 is the first bad commit git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225923 138bc75d-0d04-0410-961f-82ee72b054a4