cmd/compile: fix wrong field type in scasetype

The only place set releasetime to negative is in runtime.selectgo
(when blockprofilerate greater than zero), so we are safe in compiler
code.

But scasetype must keep in sync with runtime/select.go scase struct, so
releasetime must be int64.

Change-Id: I39ea944f5f2872452d3ffd57f7604d51e0d2590a
Reviewed-on: https://go-review.googlesource.com/c/go/+/179799
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

diff --git a/src/cmd/compile/internal/gc/select.go b/src/cmd/compile/internal/gc/select.go
index a09d779af678216c28acb1076a2a17c158beabd5..e0ed1e2a9f320a4be0febbe89f2bb19bbdabfb9f 100644 (file)
--- a/src/cmd/compile/internal/gc/select.go
+++ b/src/cmd/compile/internal/gc/select.go
@@ -388,7 +388,7 @@ func scasetype() *types.Type {
                        namedfield("elem", types.Types[TUNSAFEPTR]),
                        namedfield("kind", types.Types[TUINT16]),
                        namedfield("pc", types.Types[TUINTPTR]),
-                       namedfield("releasetime", types.Types[TUINT64]),
+                       namedfield("releasetime", types.Types[TINT64]),
                })
                scase.SetNoalg(true)
        }

diff --git a/src/runtime/select.go b/src/runtime/select.go
index 85be1bc64da0f0369983eca56566255b9fe59b4a..86182890cc20c0c8a9f30f9d575123449c2f91cd 100644 (file)
--- a/src/runtime/select.go
+++ b/src/runtime/select.go
@@ -14,7 +14,7 @@ const debugSelect = false
 
 // scase.kind values.
 // Known to compiler.
-// Changes here must also be made in src/cmd/compile/internal/gc/select.go's walkselect.
+// Changes here must also be made in src/cmd/compile/internal/gc/select.go's walkselectcases.
 const (
        caseNil = iota
        caseRecv