https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71649
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2016-06-24
CC| |fxcoudert at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed from 4.8 up to trunk (7.0) without any option. The backtrace is
* thread #1: tid = 0xfd5298, 0x00007fff9feb78b5
libsystem_platform.dylib`_platform_strcmp + 181, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
frame #0: 0x00007fff9feb78b5 libsystem_platform.dylib`_platform_strcmp +
181
libsystem_platform.dylib`_platform_strcmp:
-> 0x7fff9feb78b5 <+181>: movdqu (%rsi,%rcx), %xmm1
0x7fff9feb78ba <+186>: pcmpeqb %xmm1, %xmm0
0x7fff9feb78be <+190>: pcmpeqb %xmm2, %xmm1
0x7fff9feb78c2 <+194>: pandn %xmm0, %xmm1
(lldb) bt
* thread #1: tid = 0xfd5298, 0x00007fff9feb78b5
libsystem_platform.dylib`_platform_strcmp + 181, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
* frame #0: 0x00007fff9feb78b5 libsystem_platform.dylib`_platform_strcmp +
181
frame #1: 0x000000010006a3e2
f951`::create_intrinsic_function(name="compiler_options", id=27,
modname="iso_fortran_env", module=INTMOD_ISO_FORTRAN_ENV,
subroutine=<unavailable>, result_type=0x0000000000000000) + 82 at module.c:6170
frame #2: 0x000000010006cc45 f951`::use_iso_fortran_env_module() + 773 at
module.c:6752
frame #3: 0x0000000100072910
f951`::gfc_use_module(module=0x000000014270a050) + 6384 at module.c:6881
frame #4: 0x00000001000744eb f951`gfc_use_modules() + 539 at module.c:7112
frame #5: 0x000000010008231e f951`::use_modules() + 46 at parse.c:114
frame #6: 0x0000000100086335 f951`::decode_statement() + 949 at parse.c:332
frame #7: 0x0000000100088174 f951`::next_statement() + 276 at parse.c:1080
frame #8: 0x0000000100089dcd f951`::parse_spec(st=ST_USE) + 3325 at
parse.c:3637
frame #9: 0x000000010008d0d7 f951`::parse_progunit(st=<unavailable>) + 39
at parse.c:5420
frame #10: 0x000000010008ed63 f951`gfc_parse_file() + 2003 at parse.c:5944
frame #11: 0x00000001000d625b f951`::gfc_be_parse_file() + 59 at
f95-lang.c:201
frame #12: 0x0000000100b67aba f951`::compile_file() + 58 at toplev.c:465
frame #13: 0x0000000101051114 f951`toplev::main(int, char**) + 1544 at
toplev.c:1998
frame #14: 0x0000000101050b0c f951`toplev::main(this=0x00007fff5fbff340,
argc=<unavailable>, argv=<unavailable>) + 732
frame #15: 0x0000000101052979 f951`main(argc=2, argv=0x00007fff5fbff380) +
41 at main.c:39
frame #16: 0x00007fff9ea105ad libdyld.dylib`start + 1
(lldb) p *tmp_symtree
(gfc_symtree) $1 = {
priority = 1978153288
left = 0x84048d49a4048d4b
right = 0x00000080c7848b41
name = 0x5c415d5b08c48348 <no value available>
ambiguous = 1581342017
n = {
sym = 0x6c266a358b00401f
uop = 0x6c266a358b00401f
common = 0x6c266a358b00401f
tb = 0x6c266a358b00401f
omp_udr = 0x6c266a358b00401f
}
}
(lldb) p tmp_symtree->n.sym->module
error: Couldn't apply expression side effects : Couldn't dematerialize a result
variable: couldn't read its memory
Could someone check that the problem is not darwin specific?
