https://github.com/jdoerfert commented:
Your motivation is sound, apologies for the churn this caused.
Thaat said, this alias is not `noalias` but global symbols aliases.
The commit that introduced the NOT check removed:
```
// CHECK-DAG: @_ZN16SpecSpecialFuncs6MethodEv = {{.*}}alias i32
(%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)*
@_ZN16SpecSpecialFuncs7method_Ev
// CHECK-DAG: @_ZN16SpecSpecialFuncs6methodEv = linkonce_odr {{.*}}alias i32
(%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)*
@_ZN16SpecSpecialFuncs7method_Ev
```
So we want to avoid `@ ... = ... alias` or similar.
https://github.com/llvm/llvm-project/pull/69739
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