track whether an error has been emitted.

llvm-svn: 39502

1 files changed, 5 insertions, 0 deletions

diff --git a/clang/Basic/Diagnostic.cpp b/clang/Basic/Diagnostic.cpp
index aa732e300a9..ea175b5bb11 100644
--- a/clang/Basic/Diagnostic.cpp
+++ b/clang/Basic/Diagnostic.cpp
@@ -57,6 +57,8 @@ Diagnostic::Diagnostic(DiagnosticClient &client) : Client(client) {
   ErrorOnExtensions = false;
   // Clear all mappings, setting them to MAP_DEFAULT.
   memset(DiagMappings, 0, sizeof(DiagMappings));
+  
+  ErrorOccurred = false;
 }
 
 /// isNoteWarningOrExtension - Return true if the unmapped diagnostic level of
@@ -126,6 +128,9 @@ void Diagnostic::Report(SourceLocation Pos, unsigned DiagID,
   if (DiagLevel == Diagnostic::Ignored)
     return;
   
+  if (DiagLevel >= Diagnostic::Error)
+    ErrorOccurred = true;
+  
   // Finally, report it.
   Client.HandleDiagnostic(DiagLevel, Pos, (diag::kind)DiagID, Strs, NumStrs,
                           Ranges, NumRanges);