[LLVMbugs] [Bug 20829] Initialization of union type

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20829

Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |richard-llvm at metafoo.co.uk
         Resolution|---                         |INVALID

--- Comment #1 from Richard Smith <richard-llvm at metafoo.co.uk> ---
Neither of the quoted portions of the C standard seem relevant; there are no
members corresponding to padding, unnamed or otherwise.

The relevant section is:

6.2.6.1/6: "When a value is stored in an object of structure or union type,
including in a member object, the bytes of the object representation that
correspond to any padding bytes take unspecified values."

6.2.6.1/7: "When a value is stored in a member of an object of union type, the
bytes of the object representation that do not correspond to that member but do
correspond to other members take unspecified values."

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