jcsxky wrote:
@mizvekov After I apply you changes in this patch,
https://github.com/llvm/llvm-project/issues/91677 is still crash(although it
makes sense with `-ast-dump` option). I put it below for explanation clearly:
```cpp
template <typename> struct t1 {
template <typename>
struct t2 {};
};
template <typename T>
t1<T>::template t2<T> f1();
void f2() {
f1<bool>();
}
```
The reason seems that we transform `TemplateDecl` to the original one and do
nothing and then crash in codegen stage. For `t1<T>::t2<T>`, we have
transformed qualifier(`t1<T>`) in `TransformElaboratedType`. But, we transform
qualifier in `TransformTemplateName` for `t2<T>` again because of transforming
`TransformTemplateSpecializationType`. This leads to the transformation of the
`TemplateDecl` as I described in the beginning.
I think we can reuse the transformed qualifier(`t1<T>`) in
`TransformElaboratedType` and this is what I did in
https://github.com/llvm/llvm-project/pull/93411. Could you please take another
look?
https://github.com/llvm/llvm-project/pull/93433
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