VM crashes on RegExp.hasMatch(null). #227
Description
What steps will reproduce the problem?
- Create the dart file:
void main() {
const RegExp(@"^\w+$").hasMatch(null);
} - Run it in the VM.
What is the expected output? What do you see instead?
Here is the debug trace of the crash:
../runtime/vm/object.h:2385: error: expected: raw() != null()
Program received signal SIGABRT, Aborted.
0xf7fdf430 in __kernel_vsyscall ()
(gdb) bt
0 0xf7fdf430 in __kernel_vsyscall ()
1 0xf7be5921 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
2 0xf7be8d52 in abort () at abort.c:92
3 0x08061cf0 in dart::DynamicAssertionHelper::Fail (this=0xffffc344,
format=0x81bc935 "expected: %s") at ../runtime/vm/assert.cc:39
4 0x08056ecc in dart::String::raw_ptr (this=0xffffca04)
at ../runtime/vm/object.h:2385
5 0x08056b59 in dart::String::Length (this=0xffffca04)
at ../runtime/vm/object.h:2287
6 0x0812441e in dart::GetTwoByteData (str=...)
at ../runtime/lib/regexp_jsc.cc:20
7 0x081247b2 in dart::Jscre::Execute (regex=..., str=..., start_index=0)
at ../runtime/lib/regexp_jsc.cc:114
8 0x0812432b in dart::DN_HelperJSSyntaxRegExp_ExecuteMatch (
arguments=0xffffcc24) at ../runtime/lib/regexp.cc:73
9 0x08124241 in dart::DN_JSSyntaxRegExp_ExecuteMatch (args=0xffffcc24)
at ../runtime/lib/regexp.cc:68
What version of the product are you using? On what operating system?
Revision 508, Debug_ia32, running on linux.
Please provide any additional information below.