diff --git a/clang/test/CodeGen/hidden-visibility.c b/clang/test/CodeGen/hidden-visibility.c
--- a/clang/test/CodeGen/hidden-visibility.c
+++ b/clang/test/CodeGen/hidden-visibility.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -fvisibility default -emit-llvm -o - | FileCheck %s
 
 // CHECK: hidden global
 int X __attribute__ ((__visibility__ ("hidden"))) = 123;
diff --git a/clang/test/CodeGen/private-extern.c b/clang/test/CodeGen/private-extern.c
--- a/clang/test/CodeGen/private-extern.c
+++ b/clang/test/CodeGen/private-extern.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1  -fvisibility default -emit-llvm -o - %s | FileCheck %s
 
 // CHECK-DAG: @g0 = external hidden constant i32
 // CHECK-DAG: @g1 = hidden constant i32 1
diff --git a/clang/test/Index/symbol-visibility.c b/clang/test/Index/symbol-visibility.c
--- a/clang/test/Index/symbol-visibility.c
+++ b/clang/test/Index/symbol-visibility.c
@@ -1,4 +1,4 @@
-// RUN: c-index-test -test-print-visibility %s | FileCheck %s
+// RUN: c-index-test -test-print-visibility  -fvisibility=default %s | FileCheck %s
 
 __attribute__ ((visibility ("default"))) void foo1();
 __attribute__ ((visibility ("hidden"))) void foo2();