[Bug symtab/11912] C++ name lookup failes

["andre dot poenitz at nokia dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From andre dot poenitz at nokia dot com  2010-08-17 10:10 -------
(In reply to comment #5)
> (In reply to comment #3)
> > On MinGW this seems to be able to crash gdb.
> 
> That is surprising to me; please post more info about that.

I don't have a debug enabled FSF gdb at hand right now (will take a while to
setup the build due to the python dependencies) but we seem to get the same
crash with Code Sourcery's gdb for Symbian:

      Program received signal SIGSEGV, Segmentation fault.
      [Switching to thread 4612.0x1368]
      0x005b0c05 in int_vasprintf (result=<value optimized out>,
          format=<value optimized out>, args=<value optimized out>)
          at .././libiberty/vasprintf.c:128
      128     .././libiberty/vasprintf.c: No such file or directory.
              in .././libiberty/vasprintf.c

      (gdb) where
      #0  0x005b0c05 in int_vasprintf (result=<value optimized out>,
          format=<value optimized out>, args=<value optimized out>)
          at .././libiberty/vasprintf.c:128
      #1  0x004065be in xstrvprintf (
          format=0x722288 "Attempt to extract a component of a value that is not
a %s.
      ", ap=0x1f7eb64 "") at utils.c:1310
      #2  0x0041cb14 in throw_it (reason=RETURN_ERROR, error=7480002,
          fmt=0xffffffff <Address 0xffffffff out of bounds>, ap=0x1f7eb64 "")
          at exceptions.c:386
      #3  0x0041cb98 in throw_verror (error=GENERIC_ERROR,
          fmt=0x722288 "Attempt to extract a component of a value that is not a
%s.",
      ap=0x1f7eb64 "") at exceptions.c:402
      #4  0x00404e34 in error (
          string=0x722288 "Attempt to extract a component of a value that is not
a %s.
      ") at utils.c:815
      #5  0x0048ec37 in value_struct_elt (argp=0x1f7ebcc, args=0x0,
          name=0x4210cb8 "staticMetaObject", static_memfuncp=0x0, err=0x0)
          at valops.c:1843
      #6  0x00508c19 in valpy_getitem (self=0x1fd3938, key=0x52ec688)
          at .././gdb/python/python-value.c:286
      #7  0x005faf82 in PyEval_EvalFrameEx (f=0x42803dc, throwflag=0)
          at Python/ceval.c:1192
      #8  0x005fe04c in PyEval_EvalCodeEx (co=0x52cb728, globals=0x1febb54,
          locals=0x0, args=0x428bcd0, argcount=2, kws=0x428bcd8, kwcount=0,
          defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2831
      #9  0x005fd0b4 in PyEval_EvalFrameEx (f=0x428bb24, throwflag=0)
          at Python/ceval.c:3660
      #10 0x005fe04c in PyEval_EvalCodeEx (co=0x52cb728, globals=0x1febb54,
          locals=0x0, args=0x20526e8, argcount=2, kws=0x20526f0, kwcount=0,
          defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2831
      #11 0x005fd0b4 in PyEval_EvalFrameEx (f=0x205253c, throwflag=0)
          at Python/ceval.c:3660
      #12 0x005fe04c in PyEval_EvalCodeEx (co=0x412dec0, globals=0x1febb54,
          locals=0x0, args=0x412cf78, argcount=2, kws=0x0, kwcount=0, defs=0x0,
          defcount=0, closure=0x0) at Python/ceval.c:2831
      #13 0x006490a6 in function_call (func=0x52dea04, arg=0x412cf6c, kw=0x0)
          at Objects/funcobject.c:517
      #14 0x005da76f in PyObject_Call (func=0x7222c2, arg=0x412cf6c, kw=0x0)
          at Objects/abstract.c:1860
      #15 0x006387a6 in instancemethod_call (func=0x52dea04, arg=0x412456c, kw=0x0)
          at Objects/classobject.c:2497
      #16 0x005da76f in PyObject_Call (func=0x7222c2, arg=0x412456c, kw=0x0)
          at Objects/abstract.c:1860
      #17 0x005f786b in PyEval_CallObjectWithKeywords (func=0x4178414,
          arg=0x412456c, kw=0x0) at Python/ceval.c:3433
      #18 0x0063a282 in PyInstance_New (klass=0x52cffbc, arg=0x412456c, kw=0x0)
          at Objects/classobject.c:560
      #19 0x005da76f in PyObject_Call (func=0x7222c2, arg=0x412456c, kw=0x0)
          at Objects/abstract.c:1860
      #20 0x005fc388 in PyEval_EvalFrameEx (f=0x4f92fa4, throwflag=0)
          at Python/ceval.c:3775
      #21 0x005fe04c in PyEval_EvalCodeEx (co=0x412dd58, globals=0x1febb54,
          locals=0x0, args=0x5320c1c, argcount=1, kws=0x5320c20, kwcount=0,
          defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2831
      #22 0x005fd0b4 in PyEval_EvalFrameEx (f=0x5320acc, throwflag=0)
          at Python/ceval.c:3660
      #23 0x005fe04c in PyEval_EvalCodeEx (co=0x412dcc8, globals=0x1febb54,
          locals=0x0, args=0x41236f0, argcount=3, kws=0x0, kwcount=0, defs=0x0,
          defcount=0, closure=0x0) at Python/ceval.c:2831
      #24 0x006490a6 in function_call (func=0x52de924, arg=0x41236e4, kw=0x0)
          at Objects/funcobject.c:517
      #25 0x005da76f in PyObject_Call (func=0x7222c2, arg=0x41236e4, kw=0x0)
          at Objects/abstract.c:1860
      #26 0x006387a6 in instancemethod_call (func=0x52de924, arg=0x412c46c, kw=0x0)
          at Objects/classobject.c:2497
      #27 0x005dd6b8 in PyObject_CallMethodObjArgs (callable=<value optimized out>,
          name=0x4120f60) at Objects/abstract.c:1860
      #28 0x0053ed58 in cmdpy_function (command=0x4143ff8,
          args=0x1f7fa83 "options:fancy vars: expanded:local.s typeformats:
formats: watchers:", from_tty=1) at .././gdb/python/python-cmd.c:144
      #29 0x00403e7e in execute_command (p=0x1f7fac6 ":", from_tty=1) at top.c:442
      #30 0x0041cf36 in catch_exception (uiout=0x1fd1a18,
          func=0x5054e8 <do_captured_execute_command>, func_args=0x1f7fb08, mask=6)
          at exceptions.c:462
      #31 0x00505497 in cli_interpreter_exec (data=0x0,
          command_str=<value optimized out>) at .././gdb/cli/cli-interp.c:130
      #32 0x0041625e in interp_exec (interp=0x1fbff00,
          command_str=0x1fa35e8 "bb options:fancy vars: expanded:local.s
typeformats:
      formats: watchers:") at interps.c:326
      #33 0x00506d8e in mi_cmd_interpreter_exec (
          command=0x76124d "-interpreter-exec", argv=0x1f7fbe4, argc=2)
          at .././gdb/mi/mi-interp.c:206
      #34 0x00538f2f in captured_mi_execute_command (uiout=0x1fd2830,
          data=0x1fc8020) at .././gdb/mi/mi-main.c:1226
      #35 0x0041cf36 in catch_exception (uiout=0x1fd2830,
          func=0x538d0c <captured_mi_execute_command>, func_args=0x1fc8020, mask=6)
          at exceptions.c:462
      #36 0x00538a68 in mi_execute_command (
          cmd=0x4145908 "65bb options:fancy vars: expanded:local.s typeformats:
formats: watchers:", from_tty=1) at .././gdb/mi/mi-main.c:1282
      #37 0x0050641a in mi_execute_command_wrapper (
          cmd=0x4145908 "65bb options:fancy vars: expanded:local.s typeformats:
formats: watchers:") at .././gdb/mi/mi-interp.c:251
      #38 0x0043ce6c in handle_file_event (data={ptr = 0x0, integer = 0})
          at event-loop.c:812
      #39 0x0043c514 in process_event () at event-loop.c:394
      #40 0x0043cde9 in gdb_do_one_event (data=0x0) at event-loop.c:459
      #41 0x0041cd4f in catch_errors (func=0x43cbd0 <gdb_do_one_event>,
          func_args=0x0, errstring=0x703f98 "", mask=6) at exceptions.c:510
      #42 0x0043c9c4 in start_event_loop () at event-loop.c:483
      #43 0x004025cb in captured_command_loop (data=0x0) at .././gdb/main.c:231
      #44 0x0041cd4f in catch_errors (func=0x4025c0 <captured_command_loop>,
          func_args=0x0, errstring=0x6f1080 "", mask=6) at exceptions.c:510
      #45 0x00402348 in captured_main (data=0x1f7ff30) at .././gdb/main.c:1007
      #46 0x0041cd4f in catch_errors (func=0x4015f0 <captured_main>,
          func_args=0x1f7ff30, errstring=0x6f1080 "", mask=6) at exceptions.c:510
      #47 0x00401426 in gdb_main (args=0x1f7ff30) at .././gdb/main.c:1016
      #48 0x004013e8 in main (argc=4, argv=0x392480) at gdb.c:33


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=11912

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