Sounds like a stack overflow in the regexp compiler while compiling a huge
pattern. Feel free to file a bug (please include a backtrace). Also see
https://crbug.com/v8/9378.
On Thu, Aug 22, 2019 at 10:45 AM qinghai xiao <x827282...@gmail.com> wrote:
> Version: 7.6.303.22
> OS: Windows
> Architecture: x86
>
> *What steps will reproduce the problem?*
> *1.*type this script in v8_shell.exe and d8.exe:
>
> String.prototype.split.call('aaaaaaaaaa', new
> RegExp(Array(4096).join(String.fromCharCode(36, 94)) +
> Array(1025).join(String.fromCharCode(126, 29)) +
> Array(257).join(String.fromCharCode(101, 10, 43)), 'i'))
>
> *What is the expected output?*
> When I use Chrome 76.0.3809.80 (v8 version 7.6.303.24), this script output
> is as follows:
> ["aaaaaaaaaa"]
>
> *What do you see instead?*
> Then I run these codes to tracking in vs2017:
>
> v8::Local<v8::String> source = v8::String::NewFromUtf8(isolate,
> "String.prototype.split.call('aaaaaaaaaa', new
> RegExp(Array(4096).join(String.fromCharCode(36, 94)) +
> Array(1025).join(String.fromCharCode(126, 29)) +
> Array(257).join(String.fromCharCode(101, 10, 43)),
> 'i'))",v8::NewStringType::kNormal).ToLocalChecked();
>
> v8::Local<v8::Script> script =v8::Script::Compile(context,
> source).ToLocalChecked();
>
> v8::Local<v8::Value> result = script->Run(context).ToLocalChecked();
>
> v8::String::Utf8Value utf8(isolate, result);
>
> printf("%s\n", *utf8);
>
> then I got a stark overflow error.I want to know if this represents a
> problem in my compilation process.
>
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