[LLVMbugs] [Bug 12241] New: Nested initializer list constructor does not match constructor

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12241

             Bug #: 12241
           Summary: Nested initializer list constructor does not match
                    constructor
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++0x
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: vanboxem.ruben at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


This reduced example fails to compile on ToT Clang built today (r152539)
========================================================================
#include <string>
#include <map>

enum class toolchain
{
    GNU, // GCC+GNU binutils
    Microsoft, // cl.exe and link.exe
    LLVM, // Clang+GNU binutils (may change later)
    Intel // ICC+platform linker
    // ...
};

enum class generator_string
{
    compiler, // compiler program name (without target prefixes)
    linker, // linker program name
    output_argument, // precedes output file name
    compile_argument, // compile to object file
};

typedef std::map<toolchain, std::map<generator_string, std::string> >
generator_map;

const generator_map cgenerator_map =
         { { toolchain::GNU,
             { {generator_string::compiler,          "gcc"},
               {generator_string::linker,            "gcc"},
               {generator_string::output_argument,   "-o"},
               {generator_string::compile_argument,  "-c"} } },
           { toolchain::Microsoft,
             { {generator_string::compiler,         "cl"},
               {generator_string::linker,           "link"},
               {generator_string::output_argument,  ""},
               {generator_string::compile_argument, "/c"} } },
           { toolchain::LLVM,
             { {generator_string::compiler,         "clang++"} } },
           { toolchain::Intel,
             { {generator_string::compiler,         "icc"} } } };
========================================================================

GCC 4.5 and 4.6 have no issue with it: http://ideone.com/n3UNr

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