RequirementMachine: Pass SubstFlags::PreservePackExpansionLevel when re-sugaring requirements

2025-12-14 20:36:38 +01:00 · 2023-09-19 14:48:42 -04:00
parent 97668d5b94
commit dc2e0c95db
2 changed files with 15 additions and 1 deletions
--- a/lib/AST/RequirementMachine/RequirementMachineRequests.cpp
+++ b/lib/AST/RequirementMachine/RequirementMachineRequests.cpp
@@ -620,7 +620,8 @@ AbstractGenericSignatureRequest::evaluate(
            return Type(type);
          },
          MakeAbstractConformanceForGenericType(),
-          SubstFlags::AllowLoweredTypes);
+          SubstFlags::AllowLoweredTypes |
+          SubstFlags::PreservePackExpansionLevel);
      resugaredRequirements.push_back(resugaredReq);
    }