diff --git a/libgo/go/runtime/panic32.go b/libgo/go/runtime/panic32.go
--- a/libgo/go/runtime/panic32.go
+++ b/libgo/go/runtime/panic32.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build 386 amd64p32 arm mips mipsle m68k nios2 sh shbe
+// +build 386 amd64p32 arm mips mipsle m68k nios2 sh shbe sparc
 
 package runtime