|Re: [eigen] Alignment issues|
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Il giorno 13/feb/2014, alle ore 23:36, Gael Guennebaud <gael.guennebaud@xxxxxxxxx> ha scritto:
I would not trust ideone at all to deduce anything serious, so let’s move to clang’s results...
In your test program, requesting an alignment of 128 bytes is asking for troubles. The standard only guarantees support for alignment up
to alignof(std::max_align_t), which on OS X 64bits is 16. However, an unsupported alignment requirement should trigger a compile-time
error, so this actually sounds like a bug in clang. Since you’re using version 3.3 and alignment support was introduced right in that version,
it could be. But are you using truly clang 3.3 or are you using the 3.3svn shipped with Xcode 5?
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