Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/Support/ARMTargetParser.def b/linux-x64/clang/include/llvm/Support/ARMTargetParser.def
index 6c8eff1..78f5410 100644
--- a/linux-x64/clang/include/llvm/Support/ARMTargetParser.def
+++ b/linux-x64/clang/include/llvm/Support/ARMTargetParser.def
@@ -101,6 +101,11 @@
          ARMBuildAttrs::CPUArch::v8_A, FK_CRYPTO_NEON_FP_ARMV8,
          (ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_CRC | ARM::AEK_RAS))
+ARM_ARCH("armv8.4-a", ARMV8_4A, "8.4-A", "v8.4a",
+         ARMBuildAttrs::CPUArch::v8_A, FK_CRYPTO_NEON_FP_ARMV8,
+         (ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
+          ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_CRC | ARM::AEK_RAS |
+          ARM::AEK_DOTPROD))
 ARM_ARCH("armv8-r", ARMV8R, "8-R", "v8r", ARMBuildAttrs::CPUArch::v8_R,
           FK_NEON_FP_ARMV8,
           (ARM::AEK_MP | ARM::AEK_VIRT | ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
@@ -130,6 +135,8 @@
 ARM_ARCH_EXT_NAME("none",     ARM::AEK_NONE,     nullptr,  nullptr)
 ARM_ARCH_EXT_NAME("crc",      ARM::AEK_CRC,      "+crc",   "-crc")
 ARM_ARCH_EXT_NAME("crypto",   ARM::AEK_CRYPTO,   "+crypto","-crypto")
+ARM_ARCH_EXT_NAME("sha2",     ARM::AEK_SHA2,     "+sha2",  "-sha2")
+ARM_ARCH_EXT_NAME("aes",      ARM::AEK_AES,      "+aes",   "-aes")
 ARM_ARCH_EXT_NAME("dotprod",  ARM::AEK_DOTPROD,  "+dotprod","-dotprod")
 ARM_ARCH_EXT_NAME("dsp",      ARM::AEK_DSP,      "+dsp",   "-dsp")
 ARM_ARCH_EXT_NAME("fp",       ARM::AEK_FP,       nullptr,  nullptr)
@@ -253,6 +260,7 @@
 ARM_CPU_NAME("exynos-m1", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)
 ARM_CPU_NAME("exynos-m2", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)
 ARM_CPU_NAME("exynos-m3", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)
+ARM_CPU_NAME("exynos-m4", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)
 ARM_CPU_NAME("kryo", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)
 // Non-standard Arch names.
 ARM_CPU_NAME("iwmmxt", IWMMXT, FK_NONE, true, ARM::AEK_NONE)