gistfile1.txt

john@Strudel /tmp/trunk $ gdb ./parrot
GNU gdb 6.3.50-20050815 (Apple version gdb-1469) (Wed May  5 04:36:56 UTC 2010)
Copyright 2004 Free Software Foundation, Inc.
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This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared libraries .......... done

(gdb) r t/library/mime_base64.t 
Starting program: /private/tmp/trunk/parrot t/library/mime_base64.t
Reading symbols for shared libraries .+++++++++....... done
1..550

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: 13 at address: 0x0000000000000000
0x000000010000bfb5 in Parrot_str_rep_compatible ()
(gdb) bt
#0  0x000000010000bfb5 in Parrot_str_rep_compatible ()
#1  0x00000001001246ce in Parrot_StringBuilder_push_string ()
#2  0x0000000100124329 in Parrot_StringBuilder_init_pmc ()
#3  0x0000000100075e30 in Parrot_pmc_new_init ()
#4  0x000000010000dcb0 in Parrot_str_join ()
#5  0x00000001000e97e9 in Parrot_CodeString_nci_emit ()
#6  0x00000001000fa79b in Parrot_NativePCCMethod_invoke ()
#7  0x00000001000775d5 in runops_slow_core ()
#8  0x0000000100076acd in runops_int ()
#9  0x000000010004d8f7 in runops ()
#10 0x00000001000495d3 in Parrot_pcc_invoke_from_sig_object ()
#11 0x000000010003d693 in Parrot_ext_call ()
#12 0x000000010000207b in main ()
(gdb)