[Octave-bug-tracker] [bug #47775] realpow and sparse-xpow.cc-tst fail with C++11 and gcc < 4.9.2

[Mike Miller]

Follow-up Comment #21, bug #47775 (project octave):

I think it's clearly a gcc bug that has been fixed.

My only reason for leaving open is, do we want to allow for older gcc to be
used by either adding a --without-c++11 option, or test for defects like this
and automatically disable C++11 support? As I said in comment #15, we could
add more configure detection and handle this, but that would also add more
maintenance cost and more code conditionals.

When we looked at adding C++11, we didn't want to immediately drop all old
compilers, but bugs like this start to erode support for stable/old versions
more quickly.

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