Tim Northover a6a19f1e38 Preprocessor: support __BIGGEST_ALIGNMENT__ macro ...

For compatibility with GCC (and because it's generally helpful information
otherwise inaccessible to the preprocessor). This appears to be canonically the
alignment of max_align_t (e.g. on i386, __BIGGEST_ALIGNMENT__ is 4 even though
vector types will be given greater alignment).

Patch mostly by Mats Petersson

llvm-svn: 228367

2015-02-06 01:25:07 +00:00

40 KiB

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