Index: clang/lib/Driver/ToolChains/Arch/AArch64.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Arch/AArch64.cpp
+++ clang/lib/Driver/ToolChains/Arch/AArch64.cpp
@@ -612,8 +612,8 @@
       Features.push_back("+fix-cortex-a53-835769");
     else
       Features.push_back("-fix-cortex-a53-835769");
-  } else if (Triple.isAndroid()) {
-    // Enabled A53 errata (835769) workaround by default on android
+  } else if (Triple.isAndroid() || Triple.isOSFuchsia()) {
+    // Enabled A53 errata (835769) workaround by default on Android and Fuchsia
     Features.push_back("+fix-cortex-a53-835769");
   }
 
Index: clang/test/Driver/aarch64-fix-cortex-a53-835769.c
===================================================================
--- clang/test/Driver/aarch64-fix-cortex-a53-835769.c
+++ clang/test/Driver/aarch64-fix-cortex-a53-835769.c
@@ -8,6 +8,9 @@
 // RUN: %clang -target aarch64-android-eabi %s -### 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-YES %s
 
+// RUN: %clang --target=aarch64-fuchsia %s -### 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-YES %s
+
 // CHECK-DEF-NOT: "{[+-]}fix-cortex-a53-835769"
 // CHECK-YES: "+fix-cortex-a53-835769"
 // CHECK-NO: "-fix-cortex-a53-835769"