Added "PreprocessorFactory", an interface for lazily creating Preprocessor objects on-demand.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49868 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index ebd3072..6d08a36 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -40,6 +40,8 @@
//===----------------------------------------------------------------------===//
+PreprocessorFactory::~PreprocessorFactory() {}
+
Preprocessor::Preprocessor(Diagnostic &diags, const LangOptions &opts,
TargetInfo &target, SourceManager &SM,
HeaderSearch &Headers)