[clang] [Clang] allow restrict qualifier for array types with pointer types as element types (PR #120896)

[Eli Friedman via cfe-commits]

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@@ -1596,12 +1596,14 @@ QualType Sema::BuildQualifiedType(QualType T, SourceLocation Loc,
     QualType ProblemTy;
 
     if (T->isAnyPointerType() || T->isReferenceType() ||
-        T->isMemberPointerType()) {
+        T->isMemberPointerType() || T->isArrayType()) {
       QualType EltTy;
       if (T->isObjCObjectPointerType())
         EltTy = T;
       else if (const MemberPointerType *PTy = T->getAs<MemberPointerType>())
         EltTy = PTy->getPointeeType();
+      else if (T->isArrayType())
+        EltTy = BuildQualifiedType(Context.getBaseElementType(T), Loc, Qs);
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efriedma-quic wrote:

I guess I wasn't clear enough.

My suggestion was to call `Context.getBaseElementType(T)`, and then perform all the pointer type/object type/etc. on the result of that, instead of recursively calling BuildQualifiedType.

https://github.com/llvm/llvm-project/pull/120896