================
@@ -1472,3 +1472,56 @@ template<typename T> struct Outer {
};
};
Outer<int>::Inner outerinner;
+
+void aggregate() {
+ struct NonAgg {
+ NonAgg() { }
+ [[clang::requires_explicit_initialization]] int f; // expected-warning
{{attribute is ignored}}
+ };
+ NonAgg nonagg;
+ (void)nonagg;
+
+ struct S {
+ [[clang::requires_explicit_initialization]] int x; // expected-note
4{{declared here}}
+ int y;
+ int z = 12;
+ [[clang::requires_explicit_initialization]] int q = 100; // expected-note
4{{declared}}
+ static void foo(S) { }
+ };
+
+ struct D : S { // expected-warning {{field in 'S' is not explicitly
initialized, but was marked as requiring explicit initialization}}
+ int f1;
+ int f2 [[clang::requires_explicit_initialization]]; // expected-note
2{{declared}}
+ };
+
+ struct C {
+ [[clang::requires_explicit_initialization]] int w;
+ C() = default; // Test pre-C++20 aggregates
+ };
+
+ S::foo(S{1, 2, 3, 4});
+ S::foo(S{.x = 100, .q = 100});
+ S::foo(S{.x = 100}); // expected-warning {{field 'q' is not explicitly
initialized, but was marked as requiring explicit initialization}}
+ S s{.x = 100, .q = 100};
+ (void)s;
+ S t{.q = 100}; // expected-warning {{field 'x' is not explicitly
initialized, but was marked as requiring explicit initialization}}
+ (void)t;
+ S *ptr1 = new S; // expected-warning {{field in 'S' is not explicitly
initialized, but was marked as requiring explicit initialization}}
+ delete ptr1;
+ S *ptr2 = new S{.x = 100, .q = 100};
+ delete ptr2;
+#if __cplusplus >= 202002L
+ D a({}, 0); // expected-warning {{field 'x' is not explicitly initialized,
but was marked as requiring explicit initialization}} expected-warning {{field
'f2' is not explicitly initialized, but was marked as requiring explicit
initialization}}
+ (void)a;
+#else
+ C a; // expected-warning {{field in 'C' is not explicitly initialized, but
was marked as requiring explicit initialization}}
----------------
erichkeane wrote:
Why do we have the 'in' on the diagnostic here? It seems we should know the
field, right? Or did I forget something from earlier?
https://github.com/llvm/llvm-project/pull/102040
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