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cmd/compile: allow static init for unsafe.Pointer(&x) where x is global
This avoids both a write barrier and then dynamic initialization globals of the form var x something var xp = unsafe.Pointer(&x) Using static initialization avoids emitting a relocation for &x, which helps cgo. Fixes #9411. Change-Id: I0dbf480859cce6ab57ab805d1b8609c45b48f156 Reviewed-on: https://go-review.googlesource.com/11693 Reviewed-by: Austin Clements <[email protected]> Run-TryBot: Russ Cox <[email protected]>
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