[LLVMbugs] [Bug 14255] New: _GLIBCXX_DEBUG broken?

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=14255

             Bug #: 14255
           Summary: _GLIBCXX_DEBUG broken?
           Product: libc++
           Version: unspecified
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: All Bugs
        AssignedTo: hhinnant at apple.com
        ReportedBy: dave at boostpro.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


The following program prints "invalid quantifier" when compiled with "g++ -I
~/src/boost/svn/release  -D_GLIBCXX_DEBUG bug.cpp".  Of course this could
always be a bug in Boost.XPressive, but g++ (with libstdc++) doesn't have this
problem.  Haven't gone further to track it down, sorry. I've enclosed
preprocessed source.

#include <boost/xpressive/xpressive.hpp>

int main()
{
    try
    {
        boost::xpressive::sregex::compile("x{4}");
    }
    catch(std::exception& e)
    {
        std::cout << e.what() << std::endl;
    }
}

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