diff --git a/llvm/include/llvm/MC/MCContext.h b/llvm/include/llvm/MC/MCContext.h
index 41169e9a12a0..e33b802549c9 100644
--- a/llvm/include/llvm/MC/MCContext.h
+++ b/llvm/include/llvm/MC/MCContext.h
@@ -538,7 +538,7 @@ namespace llvm {
 ///                  allocator supports it).
 /// \return The allocated memory. Could be NULL.
 inline void *operator new(size_t Bytes, llvm::MCContext &C,
-                          size_t Alignment = 8) throw() {
+                          size_t Alignment = 8) LLVM_NOEXCEPT {
   return C.allocate(Bytes, Alignment);
 }
 /// \brief Placement delete companion to the new above.
@@ -547,8 +547,8 @@ inline void *operator new(size_t Bytes, llvm::MCContext &C,
 /// invoking it directly; see the new operator for more details. This operator
 /// is called implicitly by the compiler if a placement new expression using
 /// the MCContext throws in the object constructor.
-inline void operator delete(void *Ptr, llvm::MCContext &C, size_t)
-              throw () {
+inline void operator delete(void *Ptr, llvm::MCContext &C,
+                            size_t) LLVM_NOEXCEPT {
   C.deallocate(Ptr);
 }
 
@@ -571,8 +571,8 @@ inline void operator delete(void *Ptr, llvm::MCContext &C, size_t)
 /// \param Alignment The alignment of the allocated memory (if the underlying
 ///                  allocator supports it).
 /// \return The allocated memory. Could be NULL.
-inline void *operator new[](size_t Bytes, llvm::MCContext& C,
-                            size_t Alignment = 8) throw() {
+inline void *operator new[](size_t Bytes, llvm::MCContext &C,
+                            size_t Alignment = 8) LLVM_NOEXCEPT {
   return C.allocate(Bytes, Alignment);
 }
 
@@ -582,7 +582,7 @@ inline void *operator new[](size_t Bytes, llvm::MCContext& C,
 /// invoking it directly; see the new[] operator for more details. This operator
 /// is called implicitly by the compiler if a placement new[] expression using
 /// the MCContext throws in the object constructor.
-inline void operator delete[](void *Ptr, llvm::MCContext &C) throw () {
+inline void operator delete[](void *Ptr, llvm::MCContext &C) LLVM_NOEXCEPT {
   C.deallocate(Ptr);
 }
 
diff --git a/llvm/include/llvm/Support/Compiler.h b/llvm/include/llvm/Support/Compiler.h
index 141639839cc2..1c0ef75f5298 100644
--- a/llvm/include/llvm/Support/Compiler.h
+++ b/llvm/include/llvm/Support/Compiler.h
@@ -69,7 +69,7 @@
 #if !defined(_MSC_VER) || defined(__clang__) || LLVM_MSC_PREREQ(1900)
 #define LLVM_NOEXCEPT noexcept
 #else
-#define LLVM_NOEXCEPT
+#define LLVM_NOEXCEPT throw()
 #endif
 
 /// \brief Does the compiler support ref-qualifiers for *this?
diff --git a/llvm/include/llvm/Support/YAMLParser.h b/llvm/include/llvm/Support/YAMLParser.h
index 0fbb7d2e6c7e..b02f2ace2158 100644
--- a/llvm/include/llvm/Support/YAMLParser.h
+++ b/llvm/include/llvm/Support/YAMLParser.h
@@ -145,11 +145,12 @@ public:
   unsigned int getType() const { return TypeID; }
 
   void *operator new(size_t Size, BumpPtrAllocator &Alloc,
-                     size_t Alignment = 16) throw() {
+                     size_t Alignment = 16) LLVM_NOEXCEPT {
     return Alloc.Allocate(Size, Alignment);
   }
 
-  void operator delete(void *Ptr, BumpPtrAllocator &Alloc, size_t Size) throw() {
+  void operator delete(void *Ptr, BumpPtrAllocator &Alloc,
+                       size_t Size) LLVM_NOEXCEPT {
     Alloc.Deallocate(Ptr, Size);
   }
 
@@ -157,7 +158,7 @@ protected:
   std::unique_ptr<Document> &Doc;
   SMRange SourceRange;
 
-  void operator delete(void *) throw() {}
+  void operator delete(void *) LLVM_NOEXCEPT {}
 
   ~Node() = default;