[LLVMbugs] [Bug 16802] New: clang fails to parse MSVC 2012 bitset constructor due to template args in default argument context

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Aug 5 18:53:14 PDT 2013


http://llvm.org/bugs/show_bug.cgi?id=16802

            Bug ID: 16802
           Summary: clang fails to parse MSVC 2012 bitset constructor due
                    to template args in default argument context
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: reid.kleckner at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 10989
  --> http://llvm.org/bugs/attachment.cgi?id=10989&action=edit
reduced test case

$ clang t.cpp -c

t.cpp:12:52: error: expected ')'
  explicit my_bitset(unsigned s = my_string<Elt, Tr>::npos) { }
                                                   ^
t.cpp:12:21: note: to match this '('
  explicit my_bitset(unsigned s = my_string<Elt, Tr>::npos) { }
                    ^
t.cpp:12:48: error: expected '>'
  explicit my_bitset(unsigned s = my_string<Elt, Tr>::npos) { }
                                               ^
2 errors generated.

I'm guessing that clang thinks the '<' is a comparison, maybe?

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