https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103777
Bug ID: 103777 Summary: ICE in gfc_simplify_maskl, at fortran/simplify.c:4918 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Follow-up of pr103610, affects versions down to at least r5 : $ cat z1.f90 program p integer, parameter :: a(999) = 1 integer, parameter :: b(1) = maskl(shape(a)) end $ cat z2.f90 program p integer, parameter :: a(-9:999) = 1 integer, parameter :: b(1) = maskl(shape(a)) end $ gfortran-12-20211219 -c z1.f90 gmp: overflow in mpz type f951: internal compiler error: Aborted 0xd6d1ff crash_signal ../../gcc/toplev.c:322 0x832369 gfc_simplify_maskl(gfc_expr*, gfc_expr*) ../../gcc/fortran/simplify.c:4918 0x7b12f6 do_simplify ../../gcc/fortran/intrinsic.c:4648 0x7bc2b8 gfc_intrinsic_func_interface(gfc_expr*, int) ../../gcc/fortran/intrinsic.c:4920 0x7a1df9 gfc_simplify_expr(gfc_expr*, int) ../../gcc/fortran/expr.c:2219 0x7a294a scalarize_intrinsic_call ../../gcc/fortran/expr.c:2486 0x7a1e4d gfc_simplify_expr(gfc_expr*, int) ../../gcc/fortran/expr.c:2227 0x7bc46e gfc_intrinsic_func_interface(gfc_expr*, int) ../../gcc/fortran/intrinsic.c:5070 0x81001c resolve_unknown_f ../../gcc/fortran/resolve.c:2972 0x81001c resolve_function ../../gcc/fortran/resolve.c:3329 0x81001c gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.c:7166 0x7a1344 gfc_reduce_init_expr(gfc_expr*) ../../gcc/fortran/expr.c:3155 0x7a42b0 gfc_match_init_expr(gfc_expr**) ../../gcc/fortran/expr.c:3203 0x78e6c4 variable_decl ../../gcc/fortran/decl.c:3004 0x78e6c4 gfc_match_data_decl() ../../gcc/fortran/decl.c:6297 0x7f86b3 match_word ../../gcc/fortran/parse.c:67 0x7f86b3 decode_statement ../../gcc/fortran/parse.c:378 0x7fa0fa next_free ../../gcc/fortran/parse.c:1397 0x7fa0fa next_statement ../../gcc/fortran/parse.c:1629 0x7fb68b parse_spec ../../gcc/fortran/parse.c:4168