[index] Make sure to mark class template symbols as having 'generic' sub-kind.

llvm-svn: 286153
diff --git a/clang/lib/Index/IndexSymbol.cpp b/clang/lib/Index/IndexSymbol.cpp
index 65f5241..d98d7c0 100644
--- a/clang/lib/Index/IndexSymbol.cpp
+++ b/clang/lib/Index/IndexSymbol.cpp
@@ -74,9 +74,14 @@
       Info.Kind = SymbolKind::Enum; break;
     }
 
-    if (const CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(D))
-      if (!CXXRec->isCLike())
+    if (const CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(D)) {
+      if (!CXXRec->isCLike()) {
         Info.Lang = SymbolLanguage::CXX;
+        if (CXXRec->getDescribedClassTemplate()) {
+          Info.SubKinds |= (unsigned)SymbolSubKind::Generic;
+        }
+      }
+    }
 
     if (isa<ClassTemplatePartialSpecializationDecl>(D)) {
       Info.SubKinds |= (unsigned)SymbolSubKind::Generic;