jcsxky wrote:
> The problem may be related to the fact that template parameter declarations
> can have the `TranslationUnitDecl` as parent until the template (with these
> parameters) is finally created. In the temporary phase the object
> (`TemplateTypeParmDecl`) is found with lookup if it has the same name as an
> other imported object. Does the crash happen if in the test code the
> `TypeAliasTemplateDecl` is replaced with a plain `ClassTemplateDecl` or
> `FunctionTemplateDecl`? If yes the change is needed at these import functions
> too.
Replace `TypeAliasTemplateDecl` with `ClassTemplateDecl` or
`FunctionTemplateDecl` has no problem and passed the test with following test
code
```cpp
struct S;
template <typename>
class Callable {};
template <typename Callable>
int bindingFunctionVTable;
```
and
```cpp
struct S;
template <typename>
void Callable(){}
template <typename Callable>
int bindingFunctionVTable;
```
Test code seems good to current issue and the two you mentioned above can't be
fixed with this pr. Should I abandon this pr or fix current issue only first?
https://github.com/llvm/llvm-project/pull/74919
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