Segmentation fault on String.Replace

[egavrin]

Version: 17a5dd2

System:

Linux eg 4.2.0-18-generic #22-Ubuntu SMP Fri Nov 6 18:25:50 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Test case:

''.replace(/$/g,"a");

Output:

../jerry-bugs/run-test.sh: line 8: 11269 Segmentation fault      ./build/bin/debug.linux/jerry $file

[idkiller]

''.replace(/^/g, "a");

it is not dead code but this code's output is not correct.
it is expected 'a' but it returned '' I think this is same issue with this.