Add an explicit derived class of FunctionDecl to model deduction guides rather
than just treating them as FunctionDecls with a funny name.
No functionality change intended.
llvm-svn: 295491
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 6887962..d28354f 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -650,10 +650,11 @@
// FIXME: It's not clear what should happen if multiple declarations of a
// deduction guide have different explicitness. For now at least we simply
// reject any case where the explicitness changes.
- if (New->isDeductionGuide() &&
- New->isExplicitSpecified() != Old->isExplicitSpecified()) {
+ auto *NewGuide = dyn_cast<CXXDeductionGuideDecl>(New);
+ if (NewGuide && NewGuide->isExplicitSpecified() !=
+ cast<CXXDeductionGuideDecl>(Old)->isExplicitSpecified()) {
Diag(New->getLocation(), diag::err_deduction_guide_explicit_mismatch)
- << New->isExplicitSpecified();
+ << NewGuide->isExplicitSpecified();
Diag(Old->getLocation(), diag::note_previous_declaration);
}