rsmith added a comment.
Ah, I think I see how we get here. I think this fix might possibly break a case
such as:
template<typename T> int x = [](auto){ return T(); }.operator()(T());
int y = x<int>;
... where transforming the call to `operator()` might end up looking for the
transformed version of the lambda class; we need to find that in the local
instantiation scope.
I think we want something like `isa<CXXRecordDecl>(D) &&
cast<CXXRecordDecl>(D)->isDependentLambda() &&
cast<CXXRecordDecl>(D)->getTemplateDepth() >
TemplateArgs.getNumRetainedOuterLevels()`. (But I wonder if we can clean this
up by switching to always checking the template depth of `D` rather than
sometimes checking the parent's template depth.)
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D99134/new/
https://reviews.llvm.org/D99134
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