================
@@ -16147,6 +16169,108 @@ bool Sema::CompleteConstructorCall(CXXConstructorDecl
*Constructor,
return Invalid;
}
+bool Sema::isTypeAwareOperatorNewOrDelete(const NamedDecl *ND) const {
+ const FunctionDecl *FnDecl = nullptr;
+ if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ND))
+ FnDecl = FTD->getTemplatedDecl();
+ else if (auto *FD = dyn_cast<FunctionDecl>(ND))
+ FnDecl = FD;
+
+ return FnDecl->isTypeAwareOperatorNewOrDelete();
+}
+
+FunctionDecl *
+Sema::instantiateTypeAwareUsualDelete(FunctionTemplateDecl *FnTemplateDecl,
+ QualType DeallocType) {
+ if (!getLangOpts().TypeAwareAllocators)
+ return nullptr;
+
+ TemplateParameterList *TemplateParameters =
+ FnTemplateDecl->getTemplateParameters();
+ if (TemplateParameters->hasParameterPack())
+ return nullptr;
+
+ FunctionDecl *FnDecl = FnTemplateDecl->getTemplatedDecl();
+ if (!FnDecl->isTypeAwareOperatorNewOrDelete())
+ return nullptr;
+
+ if (FnDecl->isVariadic())
+ return nullptr;
+
+ unsigned NumParams = FnDecl->getNumParams();
+ if (NumParams < 2)
+ return nullptr;
+
+ for (size_t Idx = 1; Idx < NumParams; ++Idx) {
+ // A type aware allocation is only usual if the only dependent parameter is
+ // the first parameter.
+ const ParmVarDecl *ParamDecl = FnDecl->getParamDecl(Idx);
+ if (ParamDecl->getType()->isDependentType())
+ return nullptr;
+ }
----------------
cor3ntin wrote:
oh, it's called `drop_front`
https://github.com/llvm/llvm-project/pull/113510
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