[clang] [Clang] Make matrix type trivially copyable (PR #193634)

[via cfe-commits]

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@@ -2902,6 +2867,10 @@ static bool isTriviallyCopyableTypeImpl(const QualType &type,
     return isTriviallyCopyableTypeImpl(Context.getBaseElementType(type),
                                        Context, IsCopyConstructible);
 
+  if (type->isMatrixType())
+    return isTriviallyCopyableTypeImpl(Context.getMatrixBaseElementType(type),
+                                       Context, IsCopyConstructible);
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joaosaffran wrote:

Vectors seems to check the inner element first: https://github.com/joaosaffran/llvm-project/blob/4c2834dc79a7b8702c16938a4c6d094540424c11/clang/lib/AST/Type.cpp#L2866

https://github.com/llvm/llvm-project/pull/193634