[Bug libstdc++/57997] Segmentation fault after returning valarray expression from an auto function

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57997

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Severity|normal                      |enhancement

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I'm pretty sure our implementation conforms to the standard, expression
templates don't mix well with auto/decltype, but libc++ does seem to make code
like this work somehow so it is a reasonable enhancement request.