Index: tools/libclang/CXType.cpp
===================================================================
--- tools/libclang/CXType.cpp
+++ tools/libclang/CXType.cpp
@@ -427,6 +427,7 @@
   if (!TP)
     return MakeCXType(QualType(), GetTU(CT));
 
+try_again:
   switch (TP->getTypeClass()) {
     case Type::Pointer:
       T = cast<PointerType>(TP)->getPointeeType();
@@ -444,6 +445,11 @@
     case Type::MemberPointer:
       T = cast<MemberPointerType>(TP)->getPointeeType();
       break;
+    case Type::Auto:
+      TP = cast<DeducedType>(TP)->getDeducedType().getTypePtrOrNull();
+      if (TP)
+        goto try_again;
+      break;
     default:
       T = QualType();
       break;