Vendor import of clang RELEASE_360/rc1 tag r226102 (effectively, 3.6.0 RC1):

https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_360/rc1@226102

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/Sema/AttributeList.cpp b/lib/Sema/AttributeList.cpp
index 476a22b..34af6cf 100644
--- a/lib/Sema/AttributeList.cpp
+++ b/lib/Sema/AttributeList.cpp
@@ -206,3 +206,11 @@ bool AttributeList::isKnownToGCC() const {
 unsigned AttributeList::getSemanticSpelling() const {
   return getInfo(*this).SpellingIndexToSemanticSpelling(*this);
 }
+
+bool AttributeList::hasVariadicArg() const {
+  // If the attribute has the maximum number of optional arguments, we will
+  // claim that as being variadic. If we someday get an attribute that
+  // legitimately bumps up against that maximum, we can use another bit to track
+  // whether it's truly variadic or not.
+  return getInfo(*this).OptArgs == 15;
+}