[Driver] Make -fno-common default for Fuchsia

We never want to generate common symbols on Fuchsia.

Differential Revision: https://reviews.llvm.org/D43545

llvm-svn: 325945
diff --git a/clang/test/Driver/fuchsia.c b/clang/test/Driver/fuchsia.c
index 72157ac..57dbc73 100644
--- a/clang/test/Driver/fuchsia.c
+++ b/clang/test/Driver/fuchsia.c
@@ -10,6 +10,7 @@
 // CHECK: "-fuse-init-array"
 // CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
 // CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
+// CHECK: "-fno-common"
 // CHECK: {{.*}}ld.lld{{.*}}" "-z" "rodynamic"
 // CHECK: "--sysroot=[[SYSROOT]]"
 // CHECK: "-pie"