Retrace done:
...
#4 nsCOMPtr_base::assign_with_AddRef (this=0xb1dc71ab, rawPtr=0x0) at ./../glue/nsCOMPtr.h:531
No locals.
#5 0xb5a0975a in nsCSSSelector::Reset (this=0xb1dc71a7) at ../../dist/include/xpcom/nsCOMPtr.h:713
No locals.
#6 0xb5a0985f in ~nsCSSSelector (this=0xb1dc71a7) at nsCSSStyleRule.cpp:313
No locals.
#7 0xb5a09886 in ~nsCSSSelector (this=0xb1dc7238) at nsCSSStyleRule.cpp:316
No locals.
#8 0xb5a098d5 in ~nsCSSSelectorList (this=0xb1dc7198) at nsCSSStyleRule.cpp:699
...
Retrace done: base::assign_ with_AddRef (this=0xb1dc71ab, rawPtr=0x0) at ./../glue/ nsCOMPtr. h:531 :Reset (this=0xb1dc71a7) at ../../dist/ include/ xpcom/nsCOMPtr. h:713 cpp:313 cpp:316 cpp:699
...
#4 nsCOMPtr_
No locals.
#5 0xb5a0975a in nsCSSSelector:
No locals.
#6 0xb5a0985f in ~nsCSSSelector (this=0xb1dc71a7) at nsCSSStyleRule.
No locals.
#7 0xb5a09886 in ~nsCSSSelector (this=0xb1dc7238) at nsCSSStyleRule.
No locals.
#8 0xb5a098d5 in ~nsCSSSelectorList (this=0xb1dc7198) at nsCSSStyleRule.
...
Tagging as mt-confirm for further processing
Retrace done with old packages reinstalled