This is with:
gcc 42 r118474 *and* gcc-trunk r118474 on x86_64.
gfortran.dg/constant_substring.f fails with:
constant_substring.f:0: internal compiler error: Aborted
Minimal testcase:
character*2 a
character*4 b
parameter (a="12")
parameter (b = a(1:2))
end
Backtrace (with trunk):
Breakpoint 2, 0x00002ae861d6f880 in abort () from /lib64/libc.so.6
(gdb) bt
#0 0x00002ae861d6f880 in abort () from /lib64/libc.so.6
#1 0x00002ae861daa920 in malloc_printerr () from /lib64/libc.so.6
#2 0x000000000041466f in gfc_set_constant_character_len (len=0, expr=0xdd46a0)
at /home/tob/projects/gcc/gcc/fortran/decl.c:762
#3 0x0000000000414869 in gfc_match_parameter () at
/home/tob/projects/gcc/gcc/fortran/decl.c:3825
#4 0x000000000043fdd3 in match_word (str=0xd97700 "12", subr=0x4146e0
<gfc_match_parameter>, old_locus=0x7fff493fd560)
at /home/tob/projects/gcc/gcc/fortran/parse.c:65
#5 0x0000000000440529 in decode_statement () at
/home/tob/projects/gcc/gcc/fortran/parse.c:254
#6 0x0000000000440d6b in next_statement () at
/home/tob/projects/gcc/gcc/fortran/parse.c:493
#7 0x0000000000442b6c in parse_spec (st=ST_PARAMETER) at
/home/tob/projects/gcc/gcc/fortran/parse.c:1869
#8 0x0000000000443036 in parse_progunit (st=14251776) at
/home/tob/projects/gcc/gcc/fortran/parse.c:2870
#9 0x0000000000443560 in gfc_parse_file () at
/home/tob/projects/gcc/gcc/fortran/parse.c:3206
#10 0x000000000046031e in gfc_be_parse_file (set_yydebug=<value optimized out>)
at /home/tob/projects/gcc/gcc/fortran/f95-lang.c:305
#11 0x00000000007634f3 in toplev_main (argc=<value optimized out>, argv=<value
optimized out>)
at /home/tob/projects/gcc/gcc/toplev.c:1033
#12 0x00002ae861d5bae4 in __libc_start_main () from /lib64/libc.so.6
#13 0x0000000000404f59 in _start ()
--
Summary: ICE [regression, trunk, 4.2]: in
gfc_set_constant_character_len decl.c:762
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tobias dot burnus at physik dot fu-berlin dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29713
