[Tooling] Fix linking of StandaloneToolExecutorPlugin.

llvm-svn: 317332

2 files changed, 11 insertions, 5 deletions

diff --git a/clang/lib/Tooling/Execution.cpp b/clang/lib/Tooling/Execution.cpp
index 0e3404f91c8..498d683f892 100644
--- a/clang/lib/Tooling/Execution.cpp
+++ b/clang/lib/Tooling/Execution.cpp
@@ -61,7 +61,7 @@ createExecutorFromCommandLineArgsImpl(int &argc, const char **argv,
                                       const char *Overview) {
   auto OptionsParser =
       CommonOptionsParser::create(argc, argv, Category, llvm::cl::ZeroOrMore,
-                                  /*Overview=*/nullptr);
+                                  /*Overview=*/Overview);
   if (!OptionsParser)
     return OptionsParser.takeError();
   for (auto I = ToolExecutorPluginRegistry::begin(),
@@ -95,5 +95,11 @@ createExecutorFromCommandLineArgs(int &argc, const char **argv,
                                                          Overview);
 }
 
+// This anchor is used to force the linker to link in the generated object file
+// and thus register the StandaloneToolExecutorPlugin.
+extern volatile int StandaloneToolExecutorAnchorSource;
+static int LLVM_ATTRIBUTE_UNUSED StandaloneToolExecutorAnchorDest =
+    StandaloneToolExecutorAnchorSource;
+
 } // end namespace tooling
 } // end namespace clang
diff --git a/clang/lib/Tooling/StandaloneExecution.cpp b/clang/lib/Tooling/StandaloneExecution.cpp
index e52e4a611f9..eea8e39d134 100644
--- a/clang/lib/Tooling/StandaloneExecution.cpp
+++ b/clang/lib/Tooling/StandaloneExecution.cpp
@@ -79,13 +79,13 @@ public:
   }
 };
 
-// This anchor is used to force the linker to link in the generated object file
-// and thus register the plugin.
-volatile int ToolExecutorPluginAnchorSource = 0;
-
 static ToolExecutorPluginRegistry::Add<StandaloneToolExecutorPlugin>
     X("standalone", "Runs FrontendActions on a set of files provided "
                     "via positional arguments.");
 
+// This anchor is used to force the linker to link in the generated object file
+// and thus register the plugin.
+volatile int StandaloneToolExecutorAnchorSource = 0;
+
 } // end namespace tooling
 } // end namespace clang