lang/go118: Revert upstream CL 411617

Revert https://go-review.googlesource.com/c/go/+/411617 that introduced
the regression that broke security/gopass and
security/git-credential-gopass.

See golang/go#53852 for more details.

lang/go118/Makefile

@@ -2,7 +2,7 @@
 
 DISTVERSION=	1.18.4
 # Always set PORTREVISION explicitly as otherwise they are inherited from lang/go-devel
-PORTREVISION=	0
+PORTREVISION=	1
 MASTER_SITES=	https://golang.org/dl/ \
 		https://github.com/dmgk/go-bootstrap/releases/download/${BOOTSTRAP_TAG}/:bootstrap \
 		LOCAL/dmgk:bootstrap

lang/go118/files/patch-src_cmd_compile_internal_noder_stencil.go

@@ -0,0 +1,18 @@
+Revert "[release-branch.go1.18] cmd/compile: fix missing dict pass for type assertions"
+https://go-review.googlesource.com/c/go/+/417615
+
+--- src/cmd/compile/internal/noder/stencil.go.orig	2022-07-12 15:22:53 UTC
++++ src/cmd/compile/internal/noder/stencil.go
+@@ -1297,10 +1297,10 @@ func (g *genInst) dictPass(info *instInfo) {
+ 				m = convertUsingDictionary(info, info.dictParam, m.Pos(), mce.X, m, m.Type(), false)
+ 			}
+ 		case ir.ODOTTYPE, ir.ODOTTYPE2:
+-			dt := m.(*ir.TypeAssertExpr)
+-			if !dt.Type().HasShape() && !dt.X.Type().HasShape() {
++			if !m.Type().HasShape() {
+ 				break
+ 			}
++			dt := m.(*ir.TypeAssertExpr)
+ 			var rt ir.Node
+ 			if dt.Type().IsInterface() || dt.X.Type().IsEmptyInterface() {
+ 				ix := findDictType(info, m.Type())