1 files changed, 18 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ext/mv13.C b/gcc-4.9/gcc/testsuite/g++.dg/ext/mv13.C
new file mode 100644
index 000000000..5674d19c9
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/ext/mv13.C
@@ -0,0 +1,18 @@
+// Test case to check if multiversioning functions that are extern "C"
+// generates errors.
+
+// { dg-do compile { target i?86-*-* x86_64-*-* } }
+
+extern "C"
+__attribute__ ((target ("default")))
+int foo ()  // { dg-message "previously defined here" }
+{
+  return 0;
+}
+
+extern "C"
+__attribute__ ((target ("sse4.2")))
+int foo () // { dg-error "redefinition" }
+{
+  return 1;
+}