[dev.cmdgo] all: merge master (67f7e16) into dev.cmdgodev.cmdgo

Merge List:

+ 2021-08-27 67f7e16bcc encoding/gob: optimize decoding of []byte
+ 2021-08-27 2c60a99f72 cmd/compile/internal/syntax: make valid type parameter list in presence of errors
+ 2021-08-27 d350a66532 cmd/compile: eagerly CalcStructSize for synthetic ABI types
+ 2021-08-27 d7e2e2ec2b cmd/compile: delay fillinMethods to deal with mutually-recursive types
+ 2021-08-27 c927599783 cmd/compile: eliminate repetitive code
+ 2021-08-27 62f88b6dc8 cmd/compile: add types.RecalcSize
+ 2021-08-27 e7eee5e265 cmd/compile: remove ssagen/pgen_test.go
+ 2021-08-27 f153b6739b cmd/compile: use typecheck.InitUniverse in unit tests
+ 2021-08-26 967a8017f7 cmd/compile: move types init code into package types
+ 2021-08-26 af80af22b5 cmd/compile/internal/types2: do not declare new methods on instantiated types
+ 2021-08-26 03db2c2413 cmd/compile/internal/types2: implement TypeList.String (debugging support)
+ 2021-08-26 c9e05fdcf7 cmd/compile: fix reference to generic type needed by crawler
+ 2021-08-26 eb6a07fcf9 cmd/compile: unexport Type.Vargen
+ 2021-08-26 3836983779 cmd/compile/internal/types: unexport Type.Extra
+ 2021-08-26 1f8d4562de cmd/compile: change typecheck.iscmp into ir.Op.IsCmp

Change-Id: I95c040a0e984a13a3b12c50458148007221ee300

1 files changed, 9 insertions, 28 deletions

diff --git a/src/cmd/compile/internal/ssa/export_test.go b/src/cmd/compile/internal/ssa/export_test.go
index 6d3c0f3ccbd..c4e87ec7d0f 100644
--- a/src/cmd/compile/internal/ssa/export_test.go
+++ b/src/cmd/compile/internal/ssa/export_test.go
@@ -5,14 +5,16 @@
 package ssa
 
 import (
+	"testing"
+
 	"cmd/compile/internal/ir"
+	"cmd/compile/internal/typecheck"
 	"cmd/compile/internal/types"
 	"cmd/internal/obj"
 	"cmd/internal/obj/arm64"
 	"cmd/internal/obj/s390x"
 	"cmd/internal/obj/x86"
 	"cmd/internal/src"
-	"testing"
 )
 
 var CheckFunc = checkFunc
@@ -104,33 +106,12 @@ func (d TestFrontend) MyImportPath() string {
 var testTypes Types
 
 func init() {
-	// Initialize just enough of the universe and the types package to make our tests function.
-	// TODO(josharian): move universe initialization to the types package,
-	// so this test setup can share it.
-
-	for _, typ := range [...]struct {
-		width int64
-		et    types.Kind
-	}{
-		{1, types.TINT8},
-		{1, types.TUINT8},
-		{1, types.TBOOL},
-		{2, types.TINT16},
-		{2, types.TUINT16},
-		{4, types.TINT32},
-		{4, types.TUINT32},
-		{4, types.TFLOAT32},
-		{4, types.TFLOAT64},
-		{8, types.TUINT64},
-		{8, types.TINT64},
-		{8, types.TINT},
-		{8, types.TUINTPTR},
-	} {
-		t := types.New(typ.et)
-		t.Width = typ.width
-		t.Align = uint8(typ.width)
-		types.Types[typ.et] = t
-	}
+	// TODO(mdempsky): Push into types.InitUniverse or typecheck.InitUniverse.
+	types.PtrSize = 8
+	types.RegSize = 8
+	types.MaxWidth = 1 << 50
+
+	typecheck.InitUniverse()
 	testTypes.SetTypPtrs()
 }