On Tue May 13 08:05:08 2008, coke wrote: > On Tue, May 13, 2008 at 9:48 AM, via RT Patrick R. Michaud > <[EMAIL PROTECTED]> wrote: > > # New Ticket Created by Patrick R. Michaud > > # Please include the string: [perl #54110] > > # in the subject line of all future correspondence about this > issue. > > # <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=54110 > > > > > > > > > The infix and n_infix opcodes cause segfaults when invoked with > > string arguments. (Kubuntu 8.04, x86, r27472) > > > > Here's an example: > > > > $ cat z.pir > > .sub main :main > > $P0 = new 'Float' > > $P0 = 3 > > n_mul $P1, $P0, "4" > > say $P1 # 12 > > .end > > $ ./parrot z.pir > > Segmentation fault > > $ > > > > Pm > > > > Doing some digging: This code (String pmc instead of STRING register) > generates the expected result: > > .sub main :main > $P0 = new 'Float' > $P0 = 3 > $P2 = new 'String' > $P2 = "4" > n_mul $P1, $P0, $P2 > say $P1 # 12 > .end > > And here's the backtrace on the original code: > #0 0x00000000 in ?? () > #1 0xb7dedd1e in Parrot_Integer_multiply (interp=0x804f040, > pmc=0x82313f8, > value=0x81fba7c, dest=0x0) at ./src/pmc/integer.pmc:605 > #2 0xb7c773e3 in mmd_dispatch_p_psp (interp=0x804f040, > left=0x82313f8, > right=0x81fba7c, dest=0x0, func_nr=4) at src/mmd.c:569 > #3 0xb7c0b684 in Parrot_n_infix_ic_p_p_sc (cur_opcode=0x82490b0, > interp=0x804f040) at src/ops/math.ops:102 > #4 0xb7c9eef4 in runops_slow_core (interp=0x804f040, pc=0x82490b0) > at src/runops_cores.c:221 > #5 0xb7c704d6 in runops_int (interp=0x804f040, offset=0) > at src/interpreter.c:918 > #6 0xb7c70e07 in runops (interp=0x804f040, offs=0) at > src/inter_run.c:106 > #7 0xb7c71096 in runops_args (interp=0x804f040, sub=0x82317b0, > obj=0x8096090, > meth_unused=0x0, sig=0xb7ecda37 "vP", > ap=0xbfb1ba6c > "\224\027#\b¨º±¿P\fø·Ðò\004\b\224\027#\b°\027#\b|[EMAIL PROTECTED]") > at src/inter_run.c:232 > #8 0xb7c711cc in Parrot_runops_fromc_args (interp=0x804f040, > sub=0x82317b0, > sig=0xb7ecda37 "vP") at src/inter_run.c:301 > #9 0xb7c59de7 in Parrot_runcode (interp=0x804f040, argc=1, > argv=0xbfb1bbd8) > at src/embed.c:943 > #10 0xb7ea9f92 in imcc_run_pbc (interp=0x804f040, obj_file=0, > output_file=0x0, > argc=1, argv=0xbfb1bbd8) at compilers/imcc/main.c:783 > #11 0xb7eaa982 in imcc_run (interp=0x804f040, sourcefile=0xbfb1c9dd > "z.pir", > ... > >
Is this bug going to continue to be relevant, since the pdd27mmd branch has removed the n_* opcodes (and presumably trunk will too after the branch is merged back)? Christoph
