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-rw-r--r--clang/lib/Sema/TreeTransform.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index e43b3ca968eb..5c37fcaaea13 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -12494,6 +12494,8 @@ TreeTransform<Derived>::TransformExprRequirement(concepts::ExprRequirement *Req)
TransExpr = Req->getExprSubstitutionDiagnostic();
else {
ExprResult TransExprRes = getDerived().TransformExpr(Req->getExpr());
+ if (TransExprRes.isUsable() && TransExprRes.get()->hasPlaceholderType())
+ TransExprRes = SemaRef.CheckPlaceholderExpr(TransExprRes.get());
if (TransExprRes.isInvalid())
return nullptr;
TransExpr = TransExprRes.get();