Merge V8 5.3.332.45.  DO NOT MERGE

Test: Manual

FPIIM-449

Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512cdintrin.h b/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512cdintrin.h
index 3894b29..23c4235 100644
--- a/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512cdintrin.h
+++ b/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512cdintrin.h
@@ -126,6 +126,19 @@
              (__v8di) _mm512_setzero_si512 (),
              (__mmask8) __U);
 }
+
+static __inline__ __m512i __DEFAULT_FN_ATTRS
+_mm512_broadcastmb_epi64 (__mmask8 __A)
+{
+  return (__m512i) __builtin_ia32_broadcastmb512 (__A);
+}
+
+static __inline__ __m512i __DEFAULT_FN_ATTRS
+_mm512_broadcastmw_epi32 (__mmask16 __A)
+{
+  return (__m512i) __builtin_ia32_broadcastmw512 (__A);
+}
+
 #undef __DEFAULT_FN_ATTRS
 
 #endif