diff --git a/src/cmd/compile/internal/gc/noder.go b/src/cmd/compile/internal/gc/noder.go
index de7dcda15e..e5677f921f 100644
--- a/src/cmd/compile/internal/gc/noder.go
+++ b/src/cmd/compile/internal/gc/noder.go
@@ -275,7 +275,7 @@ func (p *noder) processPragmas() {
 		n := ir.AsNode(lookup(l.local).Def)
 		if n == nil || n.Op() != ir.ONAME {
 			// TODO(mdempsky): Change to p.errorAt before Go 1.17 release.
-			base.WarnfAt(p.makeXPos(l.pos), "//go:linkname must refer to declared function or variable (will be an error in Go 1.17)")
+			// base.WarnfAt(p.makeXPos(l.pos), "//go:linkname must refer to declared function or variable (will be an error in Go 1.17)")
 			continue
 		}
 		if n.Sym().Linkname != "" {
diff --git a/test/linkname2.go b/test/linkname2.go
index cb7f9be345..43e66a5849 100644
--- a/test/linkname2.go
+++ b/test/linkname2.go
@@ -16,10 +16,13 @@ var x, y int
 //go:linkname x ok
 
 // ERROR "//go:linkname requires linkname argument or -p compiler flag"
-// ERROR "//go:linkname must refer to declared function or variable"
-// ERROR "//go:linkname must refer to declared function or variable"
+// BAD: want error "//go:linkname must refer to declared function or variable"
+// BAD: want error "//go:linkname must refer to declared function or variable"
 // ERROR "duplicate //go:linkname for x"
 
+// The two BAD lines are just waiting for #42938 before we can
+// re-enable the errors.
+
 //line linkname2.go:18
 //go:linkname y
 //go:linkname nonexist nonexist