[Orc][Kaleidoscope] Update the MainLoop code of the orc/kaleidoscope tutorials
to get rid of the duplicate prompt. NFC.

llvm-svn: 229465
diff --git a/llvm/examples/Kaleidoscope/Orc/lazy_codegen/toy.cpp b/llvm/examples/Kaleidoscope/Orc/lazy_codegen/toy.cpp
index a95da88..168ebdd 100644
--- a/llvm/examples/Kaleidoscope/Orc/lazy_codegen/toy.cpp
+++ b/llvm/examples/Kaleidoscope/Orc/lazy_codegen/toy.cpp
@@ -1256,16 +1256,16 @@
   SessionContext S(getGlobalContext());
 
   while (1) {
-#ifndef MINIMAL_STDERR_OUTPUT
-    std::cerr << "ready> ";
-#endif
     switch (CurTok) {
     case tok_eof:    return;
-    case ';':        getNextToken(); break;  // ignore top-level semicolons.
+    case ';':        getNextToken(); continue;  // ignore top-level semicolons.
     case tok_def:    HandleDefinition(S, J); break;
     case tok_extern: HandleExtern(S); break;
     default:         HandleTopLevelExpression(S, J); break;
     }
+#ifndef MINIMAL_STDERR_OUTPUT
+    std::cerr << "ready> ";
+#endif
   }
 }