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cmd/compile/internal/gc: handle recursive interfaces better

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Previously, we handled recursive interfaces by deferring typechecking
of interface methods, while eagerly expanding interface embeddings.

This CL switches to eagerly evaluating interface methods, and
deferring expanding interface embeddings to dowidth. This allows us to
detect recursive interface embeddings with the same mechanism used for
detecting recursive struct embeddings.

Updates #16369.

Change-Id: If4c0320058047f8a2d9b52b9a79de47eb9887f95
Reviewed-on: https://go-review.googlesource.com/38391
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 2017-03-20 11:56:15 -07:00
parent 4e35e5fcab
commit 07de3465be
9 changed files with 99 additions and 90 deletions
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1
src/cmd/compile/internal/gc/fmt.go
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@ -642,7 +642,6 @@ var etnames = []string{
TBLANK: "TBLANK",
TFUNCARGS: "TFUNCARGS",
TCHANARGS: "TCHANARGS",
TINTERMETH: "TINTERMETH",
TDDDFIELD: "TDDDFIELD",
}