[PATCH] D38907: Give .note.gnu.build-id section alignment 4

[Joerg Sonnenberger via llvm-commits]

On Mon, Oct 30, 2017 at 01:31:58PM -0700, Roland McGrath via llvm-commits wrote:
> Despite what the so-called "spec" says, in actual fact, the note header's
> fields are 32-bit in both ELFCLASS32 and ELFCLASS64 and the expected
> alignment is always 4. 

I would go one step further and throw a warning if a note section is not
a multiple of 4.

Joerg