Teach the CFG builder how to properly destroy temporaries who
lifetimes have been extended via reference binding. The type of the
reference and the type of the temporary are not necessarily the same,
which could cause a crash. Fixes <rdar://problem/10398199>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144646 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/uninitialized.cpp b/test/SemaCXX/uninitialized.cpp
index c25bd20..c3a5994 100644
--- a/test/SemaCXX/uninitialized.cpp
+++ b/test/SemaCXX/uninitialized.cpp
@@ -117,3 +117,30 @@
};
struct C { char a[100], *e; } car = { .e = car.a };
+
+// <rdar://problem/10398199>
+namespace rdar10398199 {
+ class FooBase { protected: ~FooBase() {} };
+ class Foo : public FooBase {
+ public:
+ operator int&() const;
+ };
+ void stuff();
+ template <typename T> class FooImpl : public Foo {
+ T val;
+ public:
+ FooImpl(const T &x) : val(x) {}
+ ~FooImpl() { stuff(); }
+ };
+
+ template <typename T> FooImpl<T> makeFoo(const T& x) {
+ return FooImpl<T>(x);
+ }
+
+ void test() {
+ const Foo &x = makeFoo(42);
+ const int&y = makeFoo(42u);
+ (void)x;
+ (void)y;
+ };
+}