================
@@ -1144,6 +1164,46 @@ bool Sema::CheckInstantiatedFunctionTemplateConstraints(
PointOfInstantiation, Satisfaction);
}
+bool Sema::CheckFunctionConstraintsWithoutInstantiation(
+ SourceLocation PointOfInstantiation, FunctionTemplateDecl *Template,
+ ArrayRef<TemplateArgument> TemplateArgs,
+ ConstraintSatisfaction &Satisfaction) {
+ FunctionDecl *FD = Template->getTemplatedDecl();
+ SmallVector<const Expr *, 3> TemplateAC;
+ Template->getAssociatedConstraints(TemplateAC);
+ if (TemplateAC.empty()) {
+ Satisfaction.IsSatisfied = true;
+ return false;
+ }
+
+ // Enter the scope of this instantiation. We don't use
+ // PushDeclContext because we don't have a scope.
+ LocalInstantiationScope Scope(*this);
----------------
mizvekov wrote:
I am not sure how `PushDeclContext` is related to the instantiation scope.
`PushDeclContext` would have changed the CurContext. If you need that, you can
use `ContextRAII`
https://github.com/llvm/llvm-project/pull/102857
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