Issue 107981
Summary [Clang] Bogous types when using __builtin_shufflevector on bool vectors
Labels clang
Assignees
Reporter philnik777
    ```c++
using vec __attribute__((ext_vector_type(4))) = bool;

auto test() {
 return __builtin_shufflevector(vec{}, vec{}, 0, 1, 2, 3, 4, 5, 6, 7);
}
```
`test()` returns a `__attribute__((__vector_size__(8 * sizeof(bool))))`, which is obviously incorrect. 
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