Don't attempt to poke into an invalid field's class type
to mark its destructors as referenced which may cause
a crash. Fixes radar 7896920
llvm-svn: 103953
diff --git a/clang/test/SemaCXX/invalid-instantiated-field-decl.cpp b/clang/test/SemaCXX/invalid-instantiated-field-decl.cpp
new file mode 100644
index 0000000..8b26489
--- /dev/null
+++ b/clang/test/SemaCXX/invalid-instantiated-field-decl.cpp
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+template <typename T>
+class SmallVectorImpl {
+public:
+ explicit SmallVectorImpl(unsigned N) {
+ }
+
+ ~SmallVectorImpl() { }
+
+};
+
+template <typename T, unsigned N>
+class SmallVector : public SmallVectorImpl<T> {
+ typedef typename SmallVectorImpl<T>::U U; // expected-error {{no type named 'U' in 'SmallVectorImpl<CallSite>'}}
+ enum {
+
+ MinUs = (static_cast<unsigned int>(sizeof(T))*N + // expected-error {{invalid application of 'sizeof' to an incomplete type 'CallSite'}}
+ static_cast<unsigned int>(sizeof(U)) - 1) /
+ static_cast<unsigned int>(sizeof(U)),
+ NumInlineEltsElts = MinUs
+ };
+ U InlineElts[NumInlineEltsElts];
+public:
+ SmallVector() : SmallVectorImpl<T>(NumInlineEltsElts) {
+ }
+
+};
+
+class CallSite; // expected-note {{forward declaration of 'CallSite'}}
+class InlineFunctionInfo {
+public:
+ explicit InlineFunctionInfo() {}
+ SmallVector<CallSite, 2> DevirtualizedCalls; // expected-note {{in instantiation of template class 'SmallVector<CallSite, 2>' requested}}
+};