Mark explict methods as explict in debug info.

llvm-svn: 115379
diff --git a/clang/test/CodeGenCXX/debug-info-ctor2.cpp b/clang/test/CodeGenCXX/debug-info-ctor2.cpp
new file mode 100644
index 0000000..19bd64b
--- /dev/null
+++ b/clang/test/CodeGenCXX/debug-info-ctor2.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang -fverbose-asm -g -S %s -o - | grep AT_explicit
+
+
+class MyClass
+{
+public:
+    explicit MyClass (int i) : 
+        m_i (i)
+    {}
+private:
+    int m_i;
+};
+
+MyClass m(1);
+