[analyzer] Treat cast of array to reference in the same way as array to
pointer.
Fixes one of the crashes reported in PR12874.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157401 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Core/SValBuilder.cpp b/lib/StaticAnalyzer/Core/SValBuilder.cpp
index d005c2a..765ae48 100644
--- a/lib/StaticAnalyzer/Core/SValBuilder.cpp
+++ b/lib/StaticAnalyzer/Core/SValBuilder.cpp
@@ -325,7 +325,7 @@
// Are we casting from an array to a pointer? If so just pass on
// the decayed value.
- if (castTy->isPointerType())
+ if (castTy->isPointerType() || castTy->isReferenceType())
return val;
// Are we casting from an array to an integer? If so, cast the decayed
diff --git a/test/Analysis/cxx11-crashes.cpp b/test/Analysis/cxx11-crashes.cpp
index 2dc9b55..8c68734 100644
--- a/test/Analysis/cxx11-crashes.cpp
+++ b/test/Analysis/cxx11-crashes.cpp
@@ -36,3 +36,24 @@
void testFloatInitializer() {
const float ysize={0.015}, xsize={0.01};
}
+
+
+// PR12874, radar://11487525
+template<class T> struct addr_impl_ref {
+ T & v_;
+ inline addr_impl_ref( T & v ): v_( v ) {
+ }
+ inline operator T& () const {return v_;}
+};
+template<class T> struct addressof_impl {
+ static inline T * f( T & v, long ) {
+ return reinterpret_cast<T*>(&const_cast<char&>(reinterpret_cast<const volatile char &>(v)));
+ }
+};
+template<class T> T * addressof( T & v ) {
+ return addressof_impl<T>::f( addr_impl_ref<T>( v ), 0 );
+}
+void testRadar11487525_1(){
+ bool s[25];
+ addressof(s);
+}