Bug in seq command.
$wish testbug.tcl
mmx sse sse2
OK
OK
*** glibc detected *** wish: double free or corruption (fasttop): 0x0817efe8 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7a9fc23]
/lib/libc.so.6(cfree+0x90)[0xb7aa30f0]
/lib/libc.so.6(realloc+0x130)[0xb7aa3380]
/usr/lib/libtcl8.5.so(TclpRealloc+0x24)[0xb7d953e4]
/usr/lib/libBLTCore30.so(Blt_Realloc+0x21)[0xb79473c1]
/usr/lib/libBLTX30.so[0xb7850978]
/usr/lib/libBLTX30.so[0xb785364b]
/usr/lib/libBLTCore30.so(Blt_Vec_NotifyClients+0x53)[0xb797b243]
/usr/lib/libtcl8.5.so(TclServiceIdle+0x48)[0xb7e2f958]
/usr/lib/libtcl8.5.so(Tcl_DoOneEvent+0x157)[0xb7e13487]
/usr/lib/libtk8.5.so[0xb7eb90b7]
/usr/lib/libtcl8.5.so(TclServiceIdle+0x48)[0xb7e2f958]
/usr/lib/libtcl8.5.so(Tcl_DoOneEvent+0x157)[0xb7e13487]
/usr/lib/libtk8.5.so(Tk_MainLoop+0x2f)[0xb7e9102f]
/usr/lib/libtk8.5.so(Tk_MainEx+0x458)[0xb7e9f8b8]
wish(main+0x4b)[0x804884b]
/lib/libc.so.6(__libc_start_main+0xd8)[0xb7a4ddf8]
wish[0x80486f1]
If I replace "X seq 1 10" with "X set [list 1 2 3 4 5]" it does not segfaults.
