[clang] [libcxx] [Clang] Implement CWG2369 "Ordering between constraints and substitution" (PR #102857)

[via cfe-commits]

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@@ -5585,11 +5585,12 @@ bool Sema::CheckTemplateArgumentList(
     ContextRAII Context(*this, NewContext);
     CXXThisScopeRAII(*this, RD, ThisQuals, RD != nullptr);
 
-    MultiLevelTemplateArgumentList MLTAL = getTemplateInstantiationArgs(
-        Template, NewContext, /*Final=*/false, CanonicalConverted,
-        /*RelativeToPrimary=*/true,
-        /*Pattern=*/nullptr,
-        /*ForConceptInstantiation=*/true);
+    MultiLevelTemplateArgumentList MLTAL =
+        getTemplateInstantiationArgs(Template, Template->getDeclContext(),
+                                     /*Final=*/false, CanonicalConverted,
+                                     /*RelativeToPrimary=*/true,
+                                     /*Pattern=*/nullptr,
+                                     /*ForConceptInstantiation=*/true);
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cor3ntin wrote:

Can you explain why we do not use `NewContext` anymore?

https://github.com/llvm/llvm-project/pull/102857