[Bug c/124356] redundant initialization of inactive union member

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124356

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |missed-optimization

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Probably an artifact of CTOR classification and "mostly zero" initializers. 
IIRC that classification does not even try to "guess" which union member is
initialized.