Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3):

https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

1 files changed, 9 insertions, 1 deletions

diff --git a/include/clang/Frontend/FrontendAction.h b/include/clang/Frontend/FrontendAction.h
index c67be92..a568ba0 100644
--- a/include/clang/Frontend/FrontendAction.h
+++ b/include/clang/Frontend/FrontendAction.h
@@ -94,6 +94,14 @@ protected:
   /// BeginSourceFileAction (and BeginSourceFile).
   virtual void EndSourceFileAction() {}
 
+  /// \brief Callback at the end of processing a single input, to determine
+  /// if the output files should be erased or not.
+  ///
+  /// By default it returns true if a compiler error occurred.
+  /// This is guaranteed to only be called following a successful call to
+  /// BeginSourceFileAction (and BeginSourceFile).
+  virtual bool shouldEraseOutputFiles();
+
   /// @}
 
 public:
@@ -116,7 +124,7 @@ public:
 
   bool isCurrentFileAST() const {
     assert(!CurrentInput.isEmpty() && "No current file!");
-    return CurrentASTUnit != 0;
+    return CurrentASTUnit.isValid();
   }
 
   const FrontendInputFile &getCurrentInput() const {