Check in LLVM r95781.
diff --git a/test/CodeGenCXX/constructor-default-arg.cpp b/test/CodeGenCXX/constructor-default-arg.cpp
new file mode 100644
index 0000000..ec0b8da
--- /dev/null
+++ b/test/CodeGenCXX/constructor-default-arg.cpp
@@ -0,0 +1,39 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++0x -S %s -o %t-64.s
+// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s
+// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++0x -S %s -o %t-32.s
+// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s
+
+extern "C" int printf(...);
+
+
+struct C {
+ C() : iC(6) {}
+ int iC;
+};
+
+int foo() {
+ return 6;
+};
+
+class X { // ...
+public:
+ X(int) {}
+ X(const X&, int i = 1, int j = 2, int k = foo()) {
+ printf("X(const X&, %d, %d, %d)\n", i, j, k);
+ }
+};
+
+int main() {
+ X a(1);
+ X b(a, 2);
+ X c = b;
+ X d(a, 5, 6);
+}
+
+// CHECK-LP64: callq __ZN1XC1ERKS_iii
+// CHECK-LP64: callq __ZN1XC1ERKS_iii
+// CHECK-LP64: callq __ZN1XC1ERKS_iii
+
+// CHECK-LP32: call L__ZN1XC1ERKS_iii
+// CHECK-LP32: call L__ZN1XC1ERKS_iii
+// CHECK-LP32: call L__ZN1XC1ERKS_iii