Initial commit: Go 1.23 release state

test/fixedbugs/issue67141.go

@@ -0,0 +1,15 @@
+// errorcheck -lang=go1.22
+
+//go:build go1.21
+
+// We need a line directive before the package clause,
+// but don't change file name or position so that the
+// error message appears at the right place.
+
+//line issue67141.go:10
+package p
+
+func _() {
+	for range 10 { // ERROR "cannot range over 10"
+	}
+}