size_exp = integer_one_node;
else
{
+ if (!complain && !COMPLETE_TYPE_P (TREE_TYPE (result_type)))
+ return error_mark_node;
size_exp = size_in_bytes_loc (loc, TREE_TYPE (result_type));
/* Wrap the pointer expression in a SAVE_EXPR to make sure it
is evaluated first when the size expression may depend
--- /dev/null
+// PR c++/103700
+// { dg-do compile { target c++11 } }
+
+template<class T, int N> auto f(T* p) -> decltype(p + N);
+template<class T, int N> auto f(T* p) -> decltype(p - N);
+template<class T, int N> auto f(T* p) -> decltype(N + p);
+template<class T, int N> void f(T* p);
+
+template<class T> auto g(T* p, int n) -> decltype(p + n);
+template<class T> auto g(T* p, int n) -> decltype(p - n);
+template<class T> auto g(T* p, int n) -> decltype(n + p);
+template<class T> void g(T* p, int n);
+
+struct Incomplete;
+
+int main() {
+ f<Incomplete, 0>(nullptr);
+ f<Incomplete, 1>(nullptr);
+ f<Incomplete, -1>(nullptr);
+ f<Incomplete, 7>(nullptr);
+ f<Incomplete, -7>(nullptr);
+
+ g<Incomplete>(nullptr, 0);
+}