[LLVMbugs] [Bug 11712] New: value-initialization not performed on variable initialized by empty argument pack expansion

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11712

             Bug #: 11712
           Summary: value-initialization not performed on variable
                    initialized by empty argument pack expansion
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++0x
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: richard-llvm at metafoo.co.uk
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


clang incorrectly performs default-initialization, not value-initialization, on
a variable initialized with an empty expression-list:

template<typename T, typename ...U>
T build(U ...u) {
  T val(u...);
  return val;
}
int n = build<int>(); // uninitialized, should be 0

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