diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3070,7 +3070,8 @@
       llvm::Triple TT(A->getValue(i));
 
       if (TT.getArch() == llvm::Triple::UnknownArch ||
-          !(TT.getArch() == llvm::Triple::ppc ||
+          !(TT.getArch() == llvm::Triple::aarch64 ||
+            TT.getArch() == llvm::Triple::ppc ||
             TT.getArch() == llvm::Triple::ppc64 ||
             TT.getArch() == llvm::Triple::ppc64le ||
             TT.getArch() == llvm::Triple::nvptx ||
diff --git a/clang/test/OpenMP/openmp_offload_registration.cpp b/clang/test/OpenMP/openmp_offload_registration.cpp
--- a/clang/test/OpenMP/openmp_offload_registration.cpp
+++ b/clang/test/OpenMP/openmp_offload_registration.cpp
@@ -1,5 +1,6 @@
-// Test for offload registration code for two targets
+// Test offload registration for two targets, and test offload target validation.
 // RUN: %clang_cc1 -verify -fopenmp -x c -triple x86_64-unknown-linux-gnu -fopenmp-targets=x86_64-pc-linux-gnu,powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s
+// RUN: %clang_cc1 -verify -fopenmp -x c -triple x86_64-unknown-linux-gnu -fopenmp-targets=aarch64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s
 // expected-no-diagnostics
 
 void foo() {