| commit | 62947bedd28a884b46f5df71070a9e86dad17081 | [log] [tgz] |
|---|---|---|
| author | Josh Bleecher Snyder <josharian@gmail.com> | Sat Mar 18 14:39:48 2017 -0700 |
| committer | Josh Bleecher Snyder <josharian@gmail.com> | Sun Mar 19 05:02:07 2017 +0000 |
| tree | 9f4626924f825ea986aa0f73e8b7a16ee8d9dbc0 | |
| parent | 872db7998937b310635a99055e066904425559bb [diff] |
cmd/compile: canonicalize empty interface types
Mapping all empty interfaces onto the same Type
allows better reuse of the ptrTo and sliceOf
Type caches for *interface{} and []interface{}.
This has little compiler performance impact now,
but it will be helpful in the future,
when we will eagerly populate some of those caches.
Passes toolstash-check.
Change-Id: I17daee599a129b0b2f5f3025c1be43d569d6782c
Reviewed-on: https://go-review.googlesource.com/38344
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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