[LLVMbugs] [Bug 6592] New: Fake error concerning: cannot combine with previous 'extern' declaration specifier

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6592

           Summary: Fake error concerning: cannot combine with previous
                    'extern' declaration specifier
           Product: clang
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: Fons.Rademakers at cern.ch
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


Created an attachment (id=4489)
 --> (http://llvm.org/bugs/attachment.cgi?id=4489)
Source file exhibiting the problem

The attached aap.cxx compiles fine with g++ (and for that matter any other know
compiler), but not with clang++. Do:

clang++ -c aap.cxx
In file included from core/editline/src/TTermManip.cxx:1:
In file included from core/editline/src/TTermManip.cxx:12:
core/editline/src/TTermManip.h:19:12: error: cannot combine with previous
      'extern' declaration specifier
extern "C" typedef int (*PutcFunc_t)(int);
           ^
core/editline/src/TTermManip.h:99:4: error: unknown type name 'PutcFunc_t'
   PutcFunc_t fPutc;
   ^
In file included from core/editline/src/TTermManip.cxx:1:
core/editline/src/TTermManip.cxx:29:22: error: expected ')'
   fPutc((PutcFunc_t)DefaultPutchar),
                     ^
core/editline/src/TTermManip.cxx:29:9: note: to match this '('
   fPutc((PutcFunc_t)DefaultPutchar),
        ^
4 diagnostics generated.

No errors compiling with g++.

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