debug help request

[Joel Sherrill]

Hi,

psx06 fails on sparc and mips during the pthread_exit.  It gets
an exception while doing a _Heap_Free.  I am totally disgusted
and confused at this point because on sparc, it appears that
every local variable of interest has been optimized away and
the backtrace is of little help.

On mipsjmr3904, the stack track is:

(gdb) bt
#0  0xffffffff8800b468 in _Heap_Free ()
#1  0xffffffff880027d4 in libc_delete_hook ()
#2  0xffffffff8800e3ec in _User_extensions_Thread_delete ()
#3  0xffffffff8800c860 in _Thread_Close ()
#4  0xffffffff880060e4 in pthread_exit ()
#5  0xffffffff8800084c in Task_2 ()
#6  0xffffffff88013fec in _Thread_Handler ()
#7  0xffffffff88013ee0 in _Thread_Evaluate_mode ()
#8  0xffffffff88013ee0 in _Thread_Evaluate_mode ()

On PowerPC/psim it appears to work OK.

Can someone give it a try on their target and see if they can
figure out what the bug is?

Thanks.

--joel