mizvekov added inline comments.
================
Comment at: clang/lib/Sema/SemaConcept.cpp:513-534
+ llvm::Optional<MultiLevelTemplateArgumentList> MLTAL =
+ SetupConstraintCheckingTemplateArgumentsAndScope(
+ const_cast<FunctionDecl *>(FD), {}, Scope);
+
Qualifiers ThisQuals;
CXXRecordDecl *Record = nullptr;
if (auto *Method = dyn_cast<CXXMethodDecl>(FD)) {
----------------
Unchecked access to MLTAL (Optional).
Following reduction reproduces a crash here: `-cc1 -std=c++20 -fsyntax-only
-ferror-limit 19`.
```
template a b < ;
template c e ag < ;
ah) ;
am = ;
template <class... ap> class aq {
aq(ap...; __attribute__) auto aj() requires(am)
}
f() { [; aq d; d.aj
```
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D126907/new/
https://reviews.llvm.org/D126907
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