[LLVMbugs] [Bug 18584] New: SD-6 Feature Test Recommendations

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18584

            Bug ID: 18584
           Summary: SD-6 Feature Test Recommendations
           Product: libc++
           Version: unspecified
          Hardware: All
               URL: http://isocpp.org/std/standing-documents/sd-6-sg10-fea
                    ture-test-recommendations
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: mclow.lists at gmail.com
          Reporter: shea at shealevy.com
                CC: hhinnant at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Standing Document 6 recommends a series of macros for checking the status of
various standard features in the implementation. While clang seems to have
implemented this for pure language features, libc++ does not yet have support
for this. For example, although libc++ does support compile-time integer
sequences as specified in n3658, the <utility> header does not define
__cpp_lib_integer_sequence as recommended by SD6.

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