[Driver] Fix missing space in lldb --help output.

diff --git a/lldb/tools/driver/Driver.cpp b/lldb/tools/driver/Driver.cpp
index 9d685f2e35ba724990ecd8305ab57fa1fefb6c71..806922bc860f66a1db41998f0197b3a6890cbc5c 100644 (file)
--- a/lldb/tools/driver/Driver.cpp
+++ b/lldb/tools/driver/Driver.cpp
@@ -747,7 +747,7 @@ void reproducer_handler(void *) {
 }
 
 static void printHelp(LLDBOptTable &table, llvm::StringRef tool_name) {
-  std::string usage_str = tool_name.str() + "options";
+  std::string usage_str = tool_name.str() + " [options]";
   table.PrintHelp(llvm::outs(), usage_str.c_str(), "LLDB", false);
 
   std::string examples = R"___(