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cmd/compile: handle unsafe builtins like universal builtins

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Reuse the same mechanisms for handling universal builtins like len to
handle unsafe.Sizeof, etc. Allows us to drop package unsafe's export
data, and simplifies some code.

Updates #17508.

Change-Id: I620e0617c24e57e8a2d7cccd0e2de34608779656
Reviewed-on: https://go-review.googlesource.com/31433
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
Matthew Dempsky 2016-10-18 14:17:05 -07:00
parent 7eed848a17
commit 3f2cb493e5
11 changed files with 95 additions and 162 deletions
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3
src/cmd/compile/internal/gc/syntax.go
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@ -427,6 +427,9 @@ const (
OREAL // real(Left)
OIMAG // imag(Left)
OCOMPLEX // complex(Left, Right)
OALIGNOF // unsafe.Alignof(Left)
OOFFSETOF // unsafe.Offsetof(Left)
OSIZEOF // unsafe.Sizeof(Left)
// statements
OBLOCK // { List } (block of code)