[PATCH] 69759 - document __builtin_alloca and __builtin_alloca_with_align

Joseph Myers joseph@codesourcery.com
Mon Feb 15 23:18:00 GMT 2016

The description here is self-contradictory; __BIGGEST_ALIGNMENT__ bytes is 
often different from the greatest fundamental alignment (fundamental 
alignments and max_align_t only consider standard C types, 
__BIGGEST_ALIGNMENT__ can allow for e.g. vector type extensions).

Joseph S. Myers

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