Produce a diagnostic if alignas is applied to an expression. Neither C11 nor
C++11 allows that.
llvm-svn: 173789
diff --git a/clang/test/SemaCXX/alignof-sizeof-reference.cpp b/clang/test/SemaCXX/alignof-sizeof-reference.cpp
index ccdf45e..d76fcf5 100644
--- a/clang/test/SemaCXX/alignof-sizeof-reference.cpp
+++ b/clang/test/SemaCXX/alignof-sizeof-reference.cpp
@@ -4,8 +4,10 @@
char ar[sizeof(s0&)]; // expected-error {{invalid application of 'sizeof' to an incomplete type}}
void test() {
char &r = ar[0];
- static_assert(alignof(r) == 1, "bad alignment");
+ static_assert(alignof(r) == 1, "bad alignment"); // expected-warning {{GNU extension}}
+ static_assert(alignof(char&) == 1, "bad alignment");
static_assert(sizeof(r) == 1, "bad size");
+ static_assert(sizeof(char&) == 1, "bad size");
}
void f(); // expected-note{{possible target for call}}
@@ -18,5 +20,5 @@
template<typename T> void f_template(); // expected-note{{possible target for call}}
template<typename T> void f_template(T*); // expected-note{{possible target for call}}
void rdar9659191() {
- (void)alignof(f_template<int>); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it?}}
+ (void)alignof(f_template<int>); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it?}} expected-warning {{GNU extension}}
}