<rdar://problem/13806270> A template argument list is a constant-evaluated context.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181076 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseTemplate.cpp b/lib/Parse/ParseTemplate.cpp
index fd49e7a..84b7df7 100644
--- a/lib/Parse/ParseTemplate.cpp
+++ b/lib/Parse/ParseTemplate.cpp
@@ -1149,6 +1149,9 @@
/// template-argument-list ',' template-argument
bool
Parser::ParseTemplateArgumentList(TemplateArgList &TemplateArgs) {
+ // Template argument lists are constant-evaluation contexts.
+ EnterExpressionEvaluationContext EvalContext(Actions,Sema::ConstantEvaluated);
+
while (true) {
ParsedTemplateArgument Arg = ParseTemplateArgument();
if (Tok.is(tok::ellipsis)) {