[clang-tools-extra] r322116 - Try to fix build failure caused by r322097

[Eric Liu via cfe-commits]

Author: ioeric
Date: Tue Jan  9 12:26:49 2018
New Revision: 322116

URL: http://llvm.org/viewvc/llvm-project?rev=322116&view=rev
Log:
Try to fix build failure caused by r322097

Avoid mapping during output when Detail is nullptr; otherwise, an empty
"Detail" field will be populated in YAML output.

Modified:
    clang-tools-extra/trunk/clangd/index/SymbolYAML.cpp

Modified: clang-tools-extra/trunk/clangd/index/SymbolYAML.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clangd/index/SymbolYAML.cpp?rev=322116&r1=322115&r2=322116&view=diff
==============================================================================
--- clang-tools-extra/trunk/clangd/index/SymbolYAML.cpp (original)
+++ clang-tools-extra/trunk/clangd/index/SymbolYAML.cpp Tue Jan  9 12:26:49 2018
@@ -92,7 +92,8 @@ template <> struct MappingTraits<Symbol>
 
     IO.mapOptional("CompletionSnippetInsertText",
                    Sym.CompletionSnippetInsertText);
-    IO.mapOptional("Detail", Sym.Detail);
+    if (!IO.outputting() || Sym.Detail)
+      IO.mapOptional("Detail", Sym.Detail);
   }
 };