diff --git a/clang/test/Interpreter/execute.cpp b/clang/test/Interpreter/execute.cpp
--- a/clang/test/Interpreter/execute.cpp
+++ b/clang/test/Interpreter/execute.cpp
@@ -18,4 +18,8 @@
 inline int foo() { return 42; }
 int r3 = foo();
 
+int __attribute__((weak)) bar() { return 1; }
+auto r4 = printf("bar() = %d\n", bar());
+// CHECK-NEXT: bar() = 1
+
 %quit