Index: lib/Driver/ToolChains/Fuchsia.cpp
===================================================================
--- lib/Driver/ToolChains/Fuchsia.cpp
+++ lib/Driver/ToolChains/Fuchsia.cpp
@@ -48,6 +48,9 @@
     CmdArgs.push_back("gnu");
   }
 
+  CmdArgs.push_back("-z");
+  CmdArgs.push_back("rodynamic");
+
   if (!D.SysRoot.empty())
     CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
 
Index: test/Driver/fuchsia.c
===================================================================
--- test/Driver/fuchsia.c
+++ test/Driver/fuchsia.c
@@ -5,6 +5,7 @@
 // CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
 // CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
 // CHECK: {{.*}}lld{{.*}}" "-flavor" "gnu"
+// CHECK: "-z" "rodynamic"
 // CHECK: "--sysroot=[[SYSROOT]]"
 // CHECK: "-pie"
 // CHECK: "--build-id"
Index: test/Driver/fuchsia.cpp
===================================================================
--- test/Driver/fuchsia.cpp
+++ test/Driver/fuchsia.cpp
@@ -7,6 +7,7 @@
 // CHECK: "-internal-isystem" "{{.*[/\\]}}x86_64-fuchsia{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}v1"
 // CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
 // CHECK: {{.*}}lld{{.*}}" "-flavor" "gnu"
+// CHECK: "-z" "rodynamic"
 // CHECK: "--sysroot=[[SYSROOT]]"
 // CHECK: "-pie"
 // CHECK: "--build-id"