diff --git a/clang/lib/Headers/CMakeLists.txt b/clang/lib/Headers/CMakeLists.txt
--- a/clang/lib/Headers/CMakeLists.txt
+++ b/clang/lib/Headers/CMakeLists.txt
@@ -38,6 +38,7 @@
   avxvnniintrin.h
   bmi2intrin.h
   bmiintrin.h
+  builtins.h
   __clang_cuda_builtin_vars.h
   __clang_cuda_math.h
   __clang_cuda_cmath.h
diff --git a/clang/lib/Headers/builtins.h b/clang/lib/Headers/builtins.h
new file mode 100644
--- /dev/null
+++ b/clang/lib/Headers/builtins.h
@@ -0,0 +1,16 @@
+/*===---- builtins.h - Standard header for extra builtins -----------------===*\
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+\*===----------------------------------------------------------------------===*/
+
+/// Some legacy compilers have builtin definitions in a file named builtins.h.
+/// This header file has been added to allow compatibility with code that was
+/// written for those compilers. Code may have an include line for this file
+/// and to avoid an error an empty file with this name is provided.
+#ifndef __BUILTINS_H
+#define __BUILTINS_H
+
+#endif /* __BUILTINS_H */
diff --git a/clang/test/Headers/builtins-header.c b/clang/test/Headers/builtins-header.c
new file mode 100644
--- /dev/null
+++ b/clang/test/Headers/builtins-header.c
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -triple powerpc64-unknown-unknown -ffreestanding -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64le-unknown-unknown -ffreestanding -emit-llvm -o - %s | FileCheck %s
+
+#include <builtins.h>
+
+// Verify that we can include <builtins.h>
+
+// CHECK: target triple = "powerpc64