Silence return-type warning.

llvm-svn: 130349
GitOrigin-RevId: 443e46f16d0ee9098e3c6467347cd8067dfecf26
diff --git a/sret.cpp b/sret.cpp
index 7fd2385..90145f8 100644
--- a/sret.cpp
+++ b/sret.cpp
@@ -2,7 +2,7 @@
 // RUN: %clangxx %t.o -o %t.out
 // RUN: %test_debuginfo %s %t.out 
 // Radar 8775834
-// DEBUGGER: break 60
+// DEBUGGER: break 61
 // DEBUGGER: r
 // DEBUGGER: p a
 // CHECK: $1 = (A &)
@@ -38,6 +38,7 @@
 A::operator =(const A& rhs)
 {
     m_int = rhs.m_int;
+    return *this;
 }
 
 int A::get_int()