Comment #1 on issue 240 by [email protected]: API test RegExpInterruption
fails in debug mode on ARM
http://code.google.com/p/v8/issues/detail?id=240
I believe this is a symptom of a more obscure bug (probably GC related) on
ARM,
and not just on the experimental branch.
I can reproduce a crash consistently using the following setup:
Compile d8_g for the ARM simulator from bleeding edge (scons d8 mode=debug
simulator=arm). I did it using GCC 4.0.3.
Run: d8_g --expose-gc -p loop.txt -p gc.txt
with the following files in the directory:
gc.txt: containst the line "gc.js"
gc.js: contains the line "for(var i = 0; i < 1000000; i++) gc();".
loop.txt: contains the line "loop.js"
loop.js: contains the following:
--- start ---
var x = ["x"];
function f(i) {
x[i] = x[i-1] + "x";
}
for (var i = 1; i < 2500; i++) {
f(i);
}
print(x.join("").length);
--- end ---
(I.e., just some slow, long running computation that can be preempted):
Running the above line gives SIGSEGV consistently.
It happens while visiting the stack frame of a sleeping thread, just as the
crash of
RegExpInterrupt.
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