diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -4722,7 +4722,7 @@
                              options::OPT_fno_semantic_interposition);
     if (RelocationModel != llvm::Reloc::Static && !IsPIE) {
       // The supported targets need to call AsmPrinter::getSymbolPreferLocal.
-      bool SupportsLocalAlias = Triple.isX86();
+      bool SupportsLocalAlias = Triple.isAArch64() || Triple.isX86();
       if (!A)
         CmdArgs.push_back("-fhalf-no-semantic-interposition");
       else if (A->getOption().matches(options::OPT_fsemantic_interposition))
diff --git a/clang/test/Driver/fsemantic-interposition.c b/clang/test/Driver/fsemantic-interposition.c
--- a/clang/test/Driver/fsemantic-interposition.c
+++ b/clang/test/Driver/fsemantic-interposition.c
@@ -10,6 +10,7 @@
 
 /// If -fno-semantic-interposition is specified and the target supports local
 /// aliases, neither CC1 option is set.
+// RUN: %clang -target aarch64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
 // RUN: %clang -target i386 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
 // RUN: %clang -target x86_64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
 // NO-NOT: "-fsemantic-interposition"
@@ -20,8 +21,8 @@
 /// local aliases, use the traditional half-baked behavor: interprocedural
 /// optimizations are allowed but local aliases are not used. If references are
 /// not optimized out, semantic interposition at runtime is possible.
-// RUN: %clang -target aarch64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=HALF %s
 // RUN: %clang -target ppc64le %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=HALF %s
+// RUN: %clang -target riscv64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=HALF %s
 
 // RUN: %clang -target x86_64 %s -Werror -fPIC -c -### 2>&1 | FileCheck --check-prefix=HALF %s
 //