Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/Support/MipsABIFlags.h b/linux-x64/clang/include/llvm/Support/MipsABIFlags.h
index 40e62e7..12c3500 100644
--- a/linux-x64/clang/include/llvm/Support/MipsABIFlags.h
+++ b/linux-x64/clang/include/llvm/Support/MipsABIFlags.h
@@ -43,7 +43,8 @@
   AFL_ASE_MIPS16 = 0x00000400,    // MIPS16 ASE
   AFL_ASE_MICROMIPS = 0x00000800, // MICROMIPS ASE
   AFL_ASE_XPA = 0x00001000,       // XPA ASE
-  AFL_ASE_CRC = 0x00008000        // CRC ASE
+  AFL_ASE_CRC = 0x00008000,       // CRC ASE
+  AFL_ASE_GINV = 0x00020000       // GINV ASE
 };
 
 // Values for the isa_ext word of an ABI flags structure.