Index: include/clang-c/Index.h
===================================================================
--- include/clang-c/Index.h
+++ include/clang-c/Index.h
@@ -3313,6 +3313,12 @@
 CINDEX_LINKAGE unsigned clang_Cursor_isFunctionInlined(CXCursor C);
 
 /**
+ * \brief Determine whether a CXCursor that is a function declaration, is
+ * marked with __attribute__((noreturn)), [[gnu::noreturn]], or [[noreturn]].
+ */
+CINDEX_LINKAGE unsigned clang_Cursor_isFunctionNoReturn(CXCursor C);
+
+/**
  * \brief Determine whether a CXType has the "volatile" qualifier set,
  * without looking through typedefs that may have added "volatile" at
  * a different level.
Index: tools/libclang/CIndex.cpp
===================================================================
--- tools/libclang/CIndex.cpp
+++ tools/libclang/CIndex.cpp
@@ -3545,6 +3545,15 @@
   return FD->isInlined();
 }
 
+unsigned clang_Cursor_isFunctionNoReturn(CXCursor C) {
+  const Decl *D = getCursorDecl(C);
+  const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D);
+  if (!FD) {
+      return false;
+  }
+  return FD->isNoReturn();
+}
+
 static StringLiteral* getCFSTR_value(CallExpr *callExpr) {
   if (callExpr->getNumArgs() != 1) {
     return nullptr;