Implement __underlying_type for libc++.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131633 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateVariadic.cpp b/lib/Sema/SemaTemplateVariadic.cpp
index 096d353..100c6a7 100644
--- a/lib/Sema/SemaTemplateVariadic.cpp
+++ b/lib/Sema/SemaTemplateVariadic.cpp
@@ -617,7 +617,8 @@
const DeclSpec &DS = D.getDeclSpec();
switch (DS.getTypeSpecType()) {
case TST_typename:
- case TST_typeofType: {
+ case TST_typeofType:
+ case TST_underlying_type: {
QualType T = DS.getRepAsType().get();
if (!T.isNull() && T->containsUnexpandedParameterPack())
return true;