https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80235
--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > May be a duplicate of or similar to pr78983. While the patch at https://gcc.gnu.org/ml/fortran/2017-12/msg00099.html fixes pr78983 (AFAICT), this PR is only partially fixed by the patch % gfc -c pr80235_a.f90 -fcoarray=lib -lcaf_single % gfc pr80235_b_red.f90 pr80235_a.o -fcoarray=lib -lcaf_single pr80235_b_red.f90:16:0: maxfe = size( cgca_pfem_centroid_tmp%r, dim=2 ) The backtrace is cgca_pfem_mapProcess 14730 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x10) frame #0: 0x000000010010e75c f951`gfc_module_add_decl(entry=0x0000000000000000, decl=0x0000000142e20d80) at trans-decl.c:4826 4823 name = IDENTIFIER_POINTER (TYPE_NAME (TREE_TYPE (decl))); 4824 } 4825 tree *slot -> 4826 = entry->decls->find_slot_with_hash (name, htab_hash_string (name), 4827 INSERT); 4828 if (*slot == NULL) 4829 *slot = decl; Target 0: (f951) stopped. (lldb) bt * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x10) * frame #0: 0x000000010010e75c f951`gfc_module_add_decl(entry=0x0000000000000000, decl=0x0000000142e20d80) at trans-decl.c:4826 frame #1: 0x000000010010f415 f951`::gfc_build_qualified_array(decl=<unavailable>, sym=0x0000000142f148d0) at trans-decl.c:976 frame #2: 0x000000010011183d f951`gfc_get_symbol_decl(sym=0x0000000142f148d0) at trans-decl.c:1742 frame #3: 0x0000000100127888 f951`::gfc_conv_variable(se=0x00007ffeefbfe1f0, expr=0x0000000142f0be60) at trans-expr.c:2506 frame #4: 0x00000001001237bb f951`gfc_conv_expr(se=0x00007ffeefbfe1f0, expr=0x0000000142f0be60) at trans-expr.c:7872 frame #5: 0x0000000100126951 f951`gfc_conv_expr_lhs(se=0x00007ffeefbfe1f0, expr=0x0000000142f0be60) at trans-expr.c:7902 frame #6: 0x00000001000f10ce f951`::gfc_conv_ss_descriptor(block=0x00007ffeefbfe5f0, base=0, ss=<unavailable>) at trans-array.c:2854 frame #7: 0x000000010010007e f951`gfc_conv_expr_descriptor(se=0x00007ffeefbfe5f0, expr=0x0000000142f0be60) at trans-array.c:7026 frame #8: 0x00000001001322a1 f951`::gfc_conv_intrinsic_size(se=0x00007ffeefbfea60, expr=0x0000000142f0bd80) at trans-intrinsic.c:6670 frame #9: 0x000000010014966d f951`gfc_conv_intrinsic_function(se=0x00007ffeefbfea60, expr=0x0000000142f0bd80) at trans-intrinsic.c:9151 frame #10: 0x000000010012379b f951`gfc_conv_expr(se=0x00007ffeefbfea60, expr=0x0000000142f0bd80) at trans-expr.c:7864 frame #11: 0x000000010012c9a6 f951`::gfc_trans_assignment_1(expr1=0x0000000142f0b480, expr2=0x0000000142f0bd80, init_flag=<unavailable>, dealloc=<unavailable>, use_vptr_copy=false, may_alias=<unavailable>) at trans-expr.c:10032 frame #12: 0x00000001000e7688 f951`::trans_code(code=0x0000000142f229b0, cond=0x0000000000000000) at trans.c:1828 frame #13: 0x00000001001158a3 f951`gfc_generate_function_code(ns=<unavailable>) at trans-decl.c:6443 frame #14: 0x00000001000ec2c2 f951`gfc_generate_module_code(ns=0x000000014300a800) at trans.c:2206 frame #15: 0x000000010009a148 f951`gfc_parse_file() at parse.c:6090 frame #16: 0x000000010009a0a3 f951`gfc_parse_file() frame #17: 0x00000001000e39ec f951`::gfc_be_parse_file() at f95-lang.c:204 frame #18: 0x0000000100ba49fa f951`::compile_file() at toplev.c:455 frame #19: 0x000000010123fb04 f951`toplev::main(int, char**) + 2244 frame #20: 0x000000010124164e f951`main + 46 frame #21: 0x00007fff59335115 libdyld.dylib`start + 1 frame #22: 0x00007fff59335115 libdyld.dylib`start + 1 (lldb) p *name (const char) $4 = '\n'
