some mips and some sparc compilers apparently

predefine mips and sparc respectively.  Just overrule them :)

llvm-svn: 80072

llvm/include/llvm/ADT/Triple.h

@@ -13,6 +13,11 @@
 #include "llvm/ADT/StringRef.h"
 #include <string>
 
+// Some system headers or GCC predefined macros conflict with identifiers in
+// this file.  Undefine them here.
+#undef mips
+#undef sparc
+
 namespace llvm {
 class StringRef;
 class Twine;