(gdb) bt full
#0  KJS::ValueImp::setGcAllowed (this=0x1) at ./kjs/value.cpp:78
No locals.
#1  0x0000000856b91734 in KJS::ObjectImp::putDirect (this=0x27c0bdfafbc0, propertyName=..., value=0x1, attr=14)
    at ./kjs/object.cpp:479
        cnt = 10
#2  0x0000000856b74e09 in KJS::StringPrototypeImp::StringPrototypeImp (this=0x27c0bdfafbc0,
    objProto=<optimized out>) at ./kjs/string_object.cpp:172
        protect = {rep = 0x27c0bdfafbc0}
#3  0x0000000856b7e4af in KJS::InterpreterImp::initGlobalObject (this=this@entry=0x27c0be044c80)
    at ./kjs/internal.cpp:611
        funcProto = 0x27c0bdfafc20
        objProto = 0x27c0bdfafb60
        arrayProto = 0x27c0bdfb3460
        stringProto = <optimized out>
        booleanProto = <optimized out>
        numberProto = <optimized out>
        dateProto = <optimized out>
        regexpProto = <optimized out>
        errorProto = <optimized out>