[Issue 12366] New: Range violation in compile-time regex

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=12366

           Summary: Range violation in compile-time regex
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: thecybershadow at gmail.com
                CC: dmitry.olsh at gmail.com


--- Comment #0 from Vladimir Panteleev <thecybershadow at gmail.com> 2014-03-15 02:03:30 EET ---
import std.regex;

void main()
{
    auto re = ctRegex!(`^((?=(xx+?)\2+$)((?=\2+$)(?=(x+)(\4+$))\5){2})*x?$`);
    "xxxxxxxx".match(re);
}

This program crashes at runtime:
core.exception.RangeError at std.regex(3108): Range violation

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