[clangd] Consume error to avoid assertion failures

When we fail to calculate #include insertion for a completion item.
Note that this change does not add a test, although that would be good.

llvm-svn: 365606

diff --git a/clang-tools-extra/clangd/CodeComplete.cpp b/clang-tools-extra/clangd/CodeComplete.cpp
index dc82b5d..b2f537c 100644 (file)
--- a/clang-tools-extra/clangd/CodeComplete.cpp
+++ b/clang-tools-extra/clangd/CodeComplete.cpp
@@ -346,8 +346,9 @@ struct CodeCompletionBuilder {
         Completion.Includes.push_back(std::move(Include));
       } else
         log("Failed to generate include insertion edits for adding header "
-            "(FileURI='{0}', IncludeHeader='{1}') into {2}",
-            C.IndexResult->CanonicalDeclaration.FileURI, Inc, FileName);
+            "(FileURI='{0}', IncludeHeader='{1}') into {2}: {3}",
+            C.IndexResult->CanonicalDeclaration.FileURI, Inc, FileName,
+            ToInclude.takeError());
     }
     // Prefer includes that do not need edits (i.e. already exist).
     std::stable_partition(Completion.Includes.begin(),