[LLVMbugs] [Bug 14649] New: iostreams don't work on Linux/gcc 4.7 because of locale facets

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Dec 19 02:51:20 PST 2012


http://llvm.org/bugs/show_bug.cgi?id=14649

             Bug #: 14649
           Summary: iostreams don't work on Linux/gcc 4.7 because of
                    locale facets
           Product: libc++
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
        AssignedTo: hhinnant at apple.com
        ReportedBy: bero at lindev.ch
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Any attempt to use iostreams in Linux/gcc 4.7 causes a bad_cast exception. When
running e.g.

#include <iostream>
int main(int argc, char **argv) {
    std::cout << "Test" << std::endl;
}

the result is a bad_cast exception caused by use_facet trying to use facet id
28, but only facet IDs 0 to 27 ever get defined.

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