-Wc++98-compat: warn on nontrivial types used in unions and anonymous structs.
llvm-svn: 142541
diff --git a/clang/test/SemaCXX/cxx98-compat.cpp b/clang/test/SemaCXX/cxx98-compat.cpp
index ddcc1ef..6d3abe8 100644
--- a/clang/test/SemaCXX/cxx98-compat.cpp
+++ b/clang/test/SemaCXX/cxx98-compat.cpp
@@ -213,3 +213,27 @@
const Ambiguous &c = Ambiguous(); // expected-warning {{copying variable of type 'CopyCtorIssues::Ambiguous' when binding a reference to a temporary would find ambiguous constructors in C++98}}
const Deleted &d = Deleted(); // expected-warning {{copying variable of type 'CopyCtorIssues::Deleted' when binding a reference to a temporary would invoke a deleted constructor in C++98}}
}
+
+namespace UnionOrAnonStructMembers {
+ struct NonTrivCtor {
+ NonTrivCtor(); // expected-note 2{{user-declared constructor}}
+ };
+ struct NonTrivCopy {
+ NonTrivCopy(const NonTrivCopy&); // expected-note 2{{user-declared copy constructor}}
+ };
+ struct NonTrivDtor {
+ ~NonTrivDtor(); // expected-note 2{{user-declared destructor}}
+ };
+ union BadUnion {
+ NonTrivCtor ntc; // expected-warning {{union member 'ntc' with a non-trivial constructor is incompatible with C++98}}
+ NonTrivCopy ntcp; // expected-warning {{union member 'ntcp' with a non-trivial copy constructor is incompatible with C++98}}
+ NonTrivDtor ntd; // expected-warning {{union member 'ntd' with a non-trivial destructor is incompatible with C++98}}
+ };
+ struct Wrap {
+ struct {
+ NonTrivCtor ntc; // expected-warning {{anonymous struct member 'ntc' with a non-trivial constructor is incompatible with C++98}}
+ NonTrivCopy ntcp; // expected-warning {{anonymous struct member 'ntcp' with a non-trivial copy constructor is incompatible with C++98}}
+ NonTrivDtor ntd; // expected-warning {{anonymous struct member 'ntd' with a non-trivial destructor is incompatible with C++98}}
+ };
+ };
+}