From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/test/SemaCXX/warn-dangling-field.cpp | 37 ++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 clang/test/SemaCXX/warn-dangling-field.cpp

(limited to 'clang/test/SemaCXX/warn-dangling-field.cpp')

diff --git a/clang/test/SemaCXX/warn-dangling-field.cpp b/clang/test/SemaCXX/warn-dangling-field.cpp
new file mode 100644
index 0000000..95f8c61
--- /dev/null
+++ b/clang/test/SemaCXX/warn-dangling-field.cpp
@@ -0,0 +1,37 @@
+// RUN: %clang_cc1 -fsyntax-only -Wdangling-field -verify %s
+
+struct X {
+  X(int);
+};
+struct Y {
+  operator X*();
+  operator X&();
+};
+
+struct S {
+  int &x, *y;  // expected-note {{reference member declared here}} \
+               // expected-note {{pointer member declared here}}
+  S(int i)
+    : x(i),    // expected-warning {{binding reference member 'x' to stack allocated parameter 'i'}}
+      y(&i) {} // expected-warning {{initializing pointer member 'y' with the stack address of parameter 'i'}}
+  S(int &i) : x(i), y(&i) {} // no-warning: reference parameter
+  S(int *i) : x(*i), y(i) {} // no-warning: pointer parameter
+};
+
+struct S2 {
+  const X &x; // expected-note {{reference member declared here}}
+  S2(int i) : x(i) {} // expected-warning {{binding reference member 'x' to a temporary}}
+};
+
+struct S3 {
+  X &x1, *x2;
+  S3(Y y) : x1(y), x2(y) {} // no-warning: conversion operator
+};
+
+template <typename T> struct S4 {
+  T x; // expected-note {{reference member declared here}}
+  S4(int i) : x(i) {} // expected-warning {{binding reference member 'x' to stack allocated parameter 'i'}}
+};
+
+template struct S4<int>; // no warning from this instantiation
+template struct S4<int&>; // expected-note {{in instantiation}}
-- 
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