Teach template template argument pack expansions to keep track of the
number of expansions, when we know it, and propagate that information
through Sema.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123493 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclTemplate.cpp b/lib/AST/DeclTemplate.cpp
index e7902e9..b6716b3 100644
--- a/lib/AST/DeclTemplate.cpp
+++ b/lib/AST/DeclTemplate.cpp
@@ -337,7 +337,10 @@
Arg = TemplateArgument(E);
} else {
TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*Param);
- Arg = TemplateArgument(TemplateName(TTP), TTP->isParameterPack());
+ if (TTP->isParameterPack())
+ Arg = TemplateArgument(TemplateName(TTP), llvm::Optional<unsigned>());
+ else
+ Arg = TemplateArgument(TemplateName(TTP));
}
if ((*Param)->isTemplateParameterPack())