================
@@ -11792,6 +11792,32 @@ static bool CheckMultiVersionFunction(Sema &S,
FunctionDecl *NewFD,
OldDecl, Previous);
}
+static void CheckFunctionDeclarationAttributesUsage(Sema &S,
+ FunctionDecl *NewFD) {
+ const bool is_pure = NewFD->hasAttr<PureAttr>();
+ const bool is_const = NewFD->hasAttr<ConstAttr>();
+
+ if (is_pure && is_const) {
+ S.Diag(NewFD->getLocation(), diag::warn_const_attr_with_pure_attr);
+ NewFD->dropAttr<PureAttr>();
+ }
+ if (is_pure || is_const) {
+ if (isa<CXXConstructorDecl>(NewFD)) {
----------------
Endilll wrote:
I wonder if start of a lifetime and end of the lifetime that is tied to
constructor and destructor can be considered side effects in this context,
preventing them from ever being pure functions.
https://github.com/llvm/llvm-project/pull/78200
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