bug:undeclared vars cause fb to exit
------------------------------------
new profile using firefox -p makes no difference.
fb 1.11.1
Pentium 4 HT 2.8GHz (1 core 2 thread)
firefox 18.0.1
XP Pro SP3 32-bit
3GB RAM, 38GB VM
2x2TB hard disks
disk free space (* next to drive is current/windows drive)
Tue 01/29/2013 19:23:50.81||E:\|>\u\df * -a
C:---------------------------------******* 178.79GB/ 896.18GB(
19.95%)
D:-----------------*********************** 1.18TB/ 2.00TB(
59.07%)
*E:-----------------------------------***** 145.93GB/ 1.00TB(
14.52%)
F:-----------------------***************** 3.38GB/ 7.75GB(
43.67%)
G:------------------------**************** 3.14GB/ 7.51GB(
41.90%)
H:------------------------**************** 3.20GB/ 7.56GB(
42.33%)
I:-----------------------***************** 3.44GB/ 7.80GB(
44.07%)
J:-----------------------***************** 3.33GB/ 7.69GB(
43.28%)
K:-----------------------***************** 3.44GB/ 7.81GB(
44.10%)
L:-----------------------***************** 3.28GB/ 7.66GB(
42.89%)
M:--------------------------************** 2.91GB/ 8.01GB(
36.41%)
TOT:-------------------------*************** 1.53TB/ 3.96TB(
38.67%)
TOT USED:----------------************************ 2.43TB/ 3.96TB(
61.33%)
the small partitions are for swap/VM. 32-bit system has limit of 4GiB swap
chunks, but you can have lots of them.
something critical to reproducing this problem MIGHT be:
- the slowness of my machine. Pentium 4 HT 2.8GHz (1 core 2 thread). it's
equivalent to today's cheapest $300 laptop. really bad. I am used to it,
but sometimes it seems really slow.
- my platform or OS. I have XP Pro SP3 32-bit
I would ask that you please try doing your testing on a really slow box
like an old P4 xp machine. you might be able to repro the results. I have
had similar troubles with fb before on this platform. this is all I have
right now for a platform. I can also try on a windows 8 p4 box.
test case:
1.if a variable (such as dt) has not been declared when then is used in the
program, when fb hits that line, fb will exit debugging. no warning, no
fanfare, no error message. there should be an error message. I have since
removed that offending code because I want my stuff to work, but you can
easily make an example:
<script>
function t() {
a+=1; //this should cause fb to exit
a*=2; //this should cause fb to exit
a*=9; //this should cause fb to exit
return a;//so will this and so will calling t(a) should you choose to
}
t(1);
</script>
this bug used to drive me nuts, could not figure out what the problem was.
now I know what it is.
2.turn on debugger
3.enable all panels
4.reload
5.go to function t and set breakpoint on a+=1;
6.hit the refresh button on the browser. this will get the code going.
7.step into several times if you can.
expected:
should give error.
actual:
no error or warning, fb just exits.
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