[LLVMbugs] [Bug 19879] New: aggregate initialization uses value initialization rather than initialization from {} for subobjects with no initializer

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19879

            Bug ID: 19879
           Summary: aggregate initialization uses value initialization
                    rather than initialization from {} for subobjects with
                    no initializer
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: richard-llvm at metafoo.co.uk
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Clang rejects this valid code:

  #include <initializer_list>
  struct S { S(std::initializer_list<int>); } s[1] = {};

... because we use the pre-DR1070/DR990 rule for aggregate initialization. We
should initialize s[0] from {}, which works, rather than trying to
value-initialize it (which does not work).

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