https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99226
Bug ID: 99226 Summary: [11 Regression] ICE in expand_expr_real_1, at expr.c:10279 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Changed between 20200531 and 20200607, at -O1+ : (compiles with single loop) $ cat z1.f90 subroutine sub (n) integer :: n, i !$omp target !$omp teams distribute dist_schedule (static,n+4) do i = 1, 8 end do !$omp teams distribute dist_schedule (static,n+4) do i = 1, 8 end do !$omp end target end $ gfortran-11-20200531 -c z1.f90 -fopenmp -O2 $ gfortran-11-20210221 -c z1.f90 -fopenmp -O0 $ $ gfortran-11-20210221 -c z1.f90 -fopenmp -O2 during RTL pass: expand z1.f90:3:15: 3 | !$omp target | ^ internal compiler error: in expand_expr_real_1, at expr.c:10279 0x90a988 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../gcc/expr.c:10273 0x907ca7 expand_expr ../../gcc/expr.h:282 0x907ca7 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../gcc/expr.c:10600 0x907528 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../gcc/expr.c:10848 0x909312 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../gcc/expr.c:10208 0x907ca7 expand_expr ../../gcc/expr.h:282 0x907ca7 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../gcc/expr.c:10600 0x909312 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../gcc/expr.c:10208 0x912dd3 store_expr(tree_node*, rtx_def*, int, bool, bool) ../../gcc/expr.c:5886 0x914265 expand_assignment(tree_node*, tree_node*, bool) ../../gcc/expr.c:5622 0x809060 expand_gimple_stmt_1 ../../gcc/cfgexpand.c:3910 0x809060 expand_gimple_stmt ../../gcc/cfgexpand.c:4008 0x80e257 expand_gimple_basic_block ../../gcc/cfgexpand.c:6045 0x81098e execute ../../gcc/cfgexpand.c:6729