diff --git a/src/cmd/compile/fmtmap_test.go b/src/cmd/compile/fmtmap_test.go
index 81ba20ff0fe..018447efa18 100644
--- a/src/cmd/compile/fmtmap_test.go
+++ b/src/cmd/compile/fmtmap_test.go
@@ -81,6 +81,7 @@ var knownFormats = map[string]string{
 	"bool %v":                                         "",
 	"byte %08b":                                       "",
 	"byte %c":                                         "",
+	"byte %q":                                         "",
 	"byte %v":                                         "",
 	"cmd/compile/internal/arm.shift %d":               "",
 	"cmd/compile/internal/gc.Class %d":                "",
@@ -124,6 +125,7 @@ var knownFormats = map[string]string{
 	"cmd/compile/internal/ssa.relation %s":            "",
 	"cmd/compile/internal/syntax.Error %q":            "",
 	"cmd/compile/internal/syntax.Expr %#v":            "",
+	"cmd/compile/internal/syntax.LitKind %d":          "",
 	"cmd/compile/internal/syntax.Node %T":             "",
 	"cmd/compile/internal/syntax.Operator %s":         "",
 	"cmd/compile/internal/syntax.Pos %s":              "",
@@ -175,6 +177,7 @@ var knownFormats = map[string]string{
 	"reflect.Type %s":                                                      "",
 	"rune %#U":                                                             "",
 	"rune %c":                                                              "",
+	"rune %q":                                                              "",
 	"string %-*s":                                                          "",
 	"string %-16s":                                                         "",
 	"string %-6s":                                                          "",