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authorMatthew Dempsky <mdempsky@google.com>2022-02-01 17:41:46 -0800
committerMatthew Dempsky <mdempsky@google.com>2022-03-01 07:36:46 +0000
commit21998413ad82655fef1f31316db31e23e0684b21 (patch)
treea2dfae21bd7762afcd003b4e1a34d2dfcd6645d3 /src/cmd/compile/internal/noder/writer.go
parent7c151f328056c354d3db13c17b3d96bec316cff6 (diff)
downloadgo-21998413ad82655fef1f31316db31e23e0684b21.tar.xz
cmd/compile: unified IR support for implicit interfaces
Change-Id: Ibdaa0750f7bc47b513c047fdf4b7145ebba9e870 Reviewed-on: https://go-review.googlesource.com/c/go/+/386001 Run-TryBot: Matthew Dempsky <mdempsky@google.com> Reviewed-by: David Chase <drchase@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Trust: Matthew Dempsky <mdempsky@google.com>
Diffstat (limited to 'src/cmd/compile/internal/noder/writer.go')
-rw-r--r--src/cmd/compile/internal/noder/writer.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/noder/writer.go b/src/cmd/compile/internal/noder/writer.go
index 432a2a7195..59e9409b97 100644
--- a/src/cmd/compile/internal/noder/writer.go
+++ b/src/cmd/compile/internal/noder/writer.go
@@ -396,6 +396,15 @@ func (w *writer) interfaceType(typ *types2.Interface) {
w.Len(typ.NumExplicitMethods())
w.Len(typ.NumEmbeddeds())
+ if typ.NumExplicitMethods() == 0 && typ.NumEmbeddeds() == 1 {
+ w.Bool(typ.IsImplicit())
+ } else {
+ // Implicit interfaces always have 0 explicit methods and 1
+ // embedded type, so we skip writing out the implicit flag
+ // otherwise as a space optimization.
+ assert(!typ.IsImplicit())
+ }
+
for i := 0; i < typ.NumExplicitMethods(); i++ {
m := typ.ExplicitMethod(i)
sig := m.Type().(*types2.Signature)