[dev.typeparams] all: merge dev.regabi (d9acf6f) into dev.typeparams

Conflicts:

- src/cmd/compile/fmtmap_test.go

Merge List:

+ 2021-01-12 d9acf6f3a3 [dev.regabi] cmd/compile: remove Func.ClosureType
+ 2021-01-12 41352fd401 [dev.regabi] cmd/compile: transform closures during walk
+ 2021-01-12 d6ad88b4db [dev.regabi] cmd/compile: compile functions before closures
+ 2021-01-12 432f9ffb11 [dev.regabi] cmd/compile: unindent compileFunctions
+ 2021-01-12 cc90e7a51e [dev.regabi] cmd/compile: always use the compile queue
+ 2021-01-12 cd5b74d2df [dev.regabi] cmd/compile: call NeedFuncSym in InitLSym
+ 2021-01-12 95acd8121b [dev.regabi] cmd/compile: remove Name.Typegen
+ 2021-01-12 12ee55ba7b [dev.regabi] cmd/compile: stop using Vargen for import/export
+ 2021-01-12 b4d2a0445b [dev.regabi] cmd/compile: refactor closure var setup/teardown
+ 2021-01-12 f57f484053 [dev.regabi] cmd/compile: decouple escape analysis from Name.Vargen
+ 2021-01-10 7fd84c6e46 [dev.regabi] cmd/compile: remove OCLOSUREREAD
+ 2021-01-10 c9c26d7ffb [dev.regabi] cmd/compile: use ClosureVars for method value wrappers
+ 2021-01-10 950cf4d46c [dev.regabi] cmd/compile: bind closure vars during SSA constructions
+ 2021-01-10 8b2efa990b [dev.regabi] cmd/compile: deref PAUTOHEAPs during SSA construction
+ 2021-01-08 6ee9b118a2 [dev.regabi] cmd/compile: remove fmt_test code; it has outlived its usefulness
+ 2021-01-08 b241938e04 [dev.regabi] cmd/compile: fix some methods error text

Change-Id: I9a530f9a78b16e2bb14ea0a4ecbd9a75f9350342

1 files changed, 0 insertions, 33 deletions

diff --git a/src/cmd/compile/internal/typecheck/dcl.go b/src/cmd/compile/internal/typecheck/dcl.go
index ffbf474a58..c7d7506fd1 100644
--- a/src/cmd/compile/internal/typecheck/dcl.go
+++ b/src/cmd/compile/internal/typecheck/dcl.go
@@ -7,7 +7,6 @@ package typecheck
 import (
 	"fmt"
 	"strconv"
-	"strings"
 
 	"cmd/compile/internal/base"
 	"cmd/compile/internal/ir"
@@ -47,7 +46,6 @@ func Declare(n *ir.Name, ctxt ir.Class) {
 		base.ErrorfAt(n.Pos(), "cannot declare name %v", s)
 	}
 
-	gen := 0
 	if ctxt == ir.PEXTERN {
 		if s.Name == "init" {
 			base.ErrorfAt(n.Pos(), "cannot declare init - must be func")
@@ -64,13 +62,6 @@ func Declare(n *ir.Name, ctxt ir.Class) {
 		if ir.CurFunc != nil && ctxt != ir.PFUNC && n.Op() == ir.ONAME {
 			ir.CurFunc.Dcl = append(ir.CurFunc.Dcl, n)
 		}
-		if n.Op() == ir.OTYPE {
-			declare_typegen++
-			gen = declare_typegen
-		} else if n.Op() == ir.ONAME && ctxt == ir.PAUTO && !strings.Contains(s.Name, "·") {
-			vargen++
-			gen = vargen
-		}
 		types.Pushdcl(s)
 		n.Curfn = ir.CurFunc
 	}
@@ -90,7 +81,6 @@ func Declare(n *ir.Name, ctxt ir.Class) {
 	s.Block = types.Block
 	s.Lastlineno = base.Pos
 	s.Def = n
-	n.Vargen = int32(gen)
 	n.Class = ctxt
 	if ctxt == ir.PFUNC {
 		n.Sym().SetFunc(true)
@@ -314,10 +304,6 @@ func checkembeddedtype(t *types.Type) {
 	}
 }
 
-// declare individual names - var, typ, const
-
-var declare_typegen int
-
 func fakeRecvField() *types.Field {
 	return types.NewField(src.NoXPos, nil, types.FakeRecvType())
 }
@@ -338,9 +324,6 @@ func funcarg(n *ir.Field, ctxt ir.Class) {
 	n.Decl = name
 	name.Ntype = n.Ntype
 	Declare(name, ctxt)
-
-	vargen++
-	n.Decl.Vargen = int32(vargen)
 }
 
 func funcarg2(f *types.Field, ctxt ir.Class) {
@@ -358,15 +341,6 @@ func funcargs(nt *ir.FuncType) {
 		base.Fatalf("funcargs %v", nt.Op())
 	}
 
-	// re-start the variable generation number
-	// we want to use small numbers for the return variables,
-	// so let them have the chunk starting at 1.
-	//
-	// TODO(mdempsky): This is ugly, and only necessary because
-	// esc.go uses Vargen to figure out result parameters' index
-	// within the result tuple.
-	vargen = len(nt.Results)
-
 	// declare the receiver and in arguments.
 	if nt.Recv != nil {
 		funcarg(nt.Recv, ir.PPARAM)
@@ -375,9 +349,6 @@ func funcargs(nt *ir.FuncType) {
 		funcarg(n, ir.PPARAM)
 	}
 
-	oldvargen := vargen
-	vargen = 0
-
 	// declare the out arguments.
 	gen := len(nt.Params)
 	for _, n := range nt.Results {
@@ -399,8 +370,6 @@ func funcargs(nt *ir.FuncType) {
 
 		funcarg(n, ir.PPARAMOUT)
 	}
-
-	vargen = oldvargen
 }
 
 // Same as funcargs, except run over an already constructed TFUNC.
@@ -422,8 +391,6 @@ func funcargs2(t *types.Type) {
 	}
 }
 
-var vargen int
-
 func Temp(t *types.Type) *ir.Name {
 	return TempAt(base.Pos, ir.CurFunc, t)
 }