[Bug fortran/59654] Broken function table with complex OO use case
Thomas.L.Clune at nasa dot gov
gcc-bugzilla@gcc.gnu.org
Wed Jan 1 04:53:00 GMT 2014
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59654
--- Comment #4 from tlcclt <Thomas.L.Clune at nasa dot gov> ---
OK - had a bit of time waiting for the New Year countdown … so read up a bit
on valgrind.
A vanilla run under Linux with 4.9.0 gave the following, which seems
encouraging, albeit cryptic:
% gfortran -O0 -g allinone.F90
% valgrind ./a.out
==4724== Memcheck, a memory error detector
==4724== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al.
==4724== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright info
==4724== Command: ./a.out
==4724==
--4724-- WARNING: Serious error when reading debug info
--4724-- When reading debug info from /gpfsm/dhome/tclune/a.out:
--4724-- Ignoring non-Dwarf2/3 block in .debug_info
./a.out: error while loading shared libraries: libquadmath.so.0: cannot open
shared object file: No such file or directory
==4724== Jump to the invalid address stated on the next line
==4724== at 0x4DE: ???
==4724== by 0x400DEC7: _dl_signal_error (in /lib64/ld-2.11.1.so)
==4724== by 0x400CFD2: _dl_map_object_deps (in /lib64/ld-2.11.1.so)
==4724== by 0x40032B3: dl_main (in /lib64/ld-2.11.1.so)
==4724== by 0x4014979: _dl_sysdep_start (in /lib64/ld-2.11.1.so)
==4724== by 0x40013D0: _dl_start (in /lib64/ld-2.11.1.so)
==4724== by 0x4000B07: ??? (in /lib64/ld-2.11.1.so)
==4724== Address 0x4de is not stack'd, malloc'd or (recently) free'd
==4724==
==4724==
==4724== Process terminating with default action of signal 11 (SIGSEGV):
dumping core
==4724== Bad permissions for mapped region at address 0x4DE
==4724== at 0x4DE: ???
==4724== by 0x400DEC7: _dl_signal_error (in /lib64/ld-2.11.1.so)
==4724== by 0x400CFD2: _dl_map_object_deps (in /lib64/ld-2.11.1.so)
==4724== by 0x40032B3: dl_main (in /lib64/ld-2.11.1.so)
==4724== by 0x4014979: _dl_sysdep_start (in /lib64/ld-2.11.1.so)
==4724== by 0x40013D0: _dl_start (in /lib64/ld-2.11.1.so)
==4724== by 0x4000B07: ??? (in /lib64/ld-2.11.1.so)
==4724==
==4724== HEAP SUMMARY:
==4724== in use at exit: 0 bytes in 0 blocks
==4724== total heap usage: 0 allocs, 0 frees, 0 bytes allocated
==4724==
==4724== All heap blocks were freed -- no leaks are possible
==4724==
==4724== For counts of detected and suppressed errors, rerun with: -v
==4724== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
Thanks for helping with this!
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