[LLVMbugs] [Bug 10453] New: Explicit conversion operator (incorrectly) used during call to object of class type

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10453

           Summary: Explicit conversion operator (incorrectly) used during
                    call to object of class type
           Product: clang
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++0x
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: jonathan.sauer at gmx.de
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


The following program compiles with clang r135379:

void testFunctionPointer()
{
  // 13.3.1.1.2p2:
  using Func = void(*)(int);

  struct NotFP {
    explicit operator Func();
  };

  NotFP nfp;
  nfp(1);
}


even though NotFP's conversion operator is explicit and thus according to FDIS
13.3.1.1.2p2 should not be used:

| In addition, for each non-explicit conversion function declared in T of the
form [...]

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