https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91566
Bug ID: 91566
Summary: [9/10 Regression] ICE in gfc_constructor_copy, at
fortran/constructor.c:103
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20180624 and 20180708 :
$ cat z1.f90
program p
print *, -merge([3,4], 0, [.false.,.true.])
end
$ cat z2.f90
program p
print *, 2 + merge([3,4], 0, [.false.,.true.])
end
$ gfortran-9-20180624 z1.f90 && ./a.out
0 -4
$ gfortran-10-20190825 -c z1.f90
f951: internal compiler error: Segmentation fault
0xb3acef crash_signal
../../gcc/toplev.c:326
0x13f7bac splay_tree_foreach
../../libiberty/splay-tree.c:577
0x5fe5f4 gfc_constructor_copy(splay_tree_s*)
../../gcc/fortran/constructor.c:103
0x5e5cab reduce_unary
../../gcc/fortran/arith.c:1267
0x5e5ccf reduce_unary
../../gcc/fortran/arith.c:1270
0x5e651f eval_intrinsic
../../gcc/fortran/arith.c:1609
0x620307 simplify_intrinsic_op
../../gcc/fortran/expr.c:1180
0x620307 gfc_simplify_expr(gfc_expr*, int)
../../gcc/fortran/expr.c:2198
0x68d4e6 resolve_operator
../../gcc/fortran/resolve.c:4310
0x68d4e6 gfc_resolve_expr(gfc_expr*)
../../gcc/fortran/resolve.c:6944
0x684e5b gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:11416
0x694fbf gfc_resolve_blocks(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:10460
0x684fe9 gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:11406
0x687ca7 resolve_codes
../../gcc/fortran/resolve.c:16921
0x687d6e gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:16956
0x67581c resolve_all_program_units
../../gcc/fortran/parse.c:6073
0x67581c gfc_parse_file()
../../gcc/fortran/parse.c:6320
0x6bf60f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:204
