Re: [Valgrind-users] Recommended gcc version

[Leonard m. <spa...@ya...>]

> Pulled CVS today and I'm getting 10s of thousands of Mismatched free
> errors that aren't mismatched, a known issue reported earlier in the
> archives.

Thanks for the replies.  I'll try gcc 2.96.

Here's more info for those working on the CVS head.  This program:

int main()
{
   int *block, *block_list;

   block = new int;
   block_list = new int[ 10 ];
   delete block;
   delete [] block_list;
}

generates these errors:

==29084== Mismatched free() / delete / delete []
==29084==    at 0x40026350: __builtin_delete (vg_replace_malloc.c:233)
==29084==    by 0x40026370: operator delete(void*)
(vg_replace_malloc.c:242)
==29084==    by 0x8048506: main (tst.C:7)
==29084==    by 0x4031D4A1: __libc_start_main (in /lib/libc.so.6)
==29084==    Address 0x411190D4 is 0 bytes inside a block of size 4
alloc'd
==29084==    at 0x40026020: malloc (vg_replace_malloc.c:153)
==29084==    by 0x402B194D: operator new(unsigned) (in
/usr/lib/libstdc++.so.5.0.0)
==29084==    by 0x80484E5: main (tst.C:5)
==29084==    by 0x4031D4A1: __libc_start_main (in /lib/libc.so.6)
==29084== 
==29084== Mismatched free() / delete / delete []
==29084==    at 0x400263EC: __builtin_vec_delete
(vg_replace_malloc.c:252)
==29084==    by 0x4002640C: operator delete[](void*)
(vg_replace_malloc.c:261)
==29084==    by 0x804851A: main (tst.C:8)
==29084==    by 0x4031D4A1: __libc_start_main (in /lib/libc.so.6)
==29084==    Address 0x41119108 is 0 bytes inside a block of size 40
alloc'd
==29084==    at 0x40026020: malloc (vg_replace_malloc.c:153)
==29084==    by 0x402B194D: operator new(unsigned) (in
/usr/lib/libstdc++.so.5.0.0)
==29084==    by 0x402B1AAE: operator new[](unsigned) (in
/usr/lib/libstdc++.so.5.0.0)
==29084==    by 0x80484F5: main (tst.C:6)

using valgrind from CVS yesterday with gcc 3.2 and glibc 2.2.5 (SuSE
8.1).

Randall


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