Change err_pp_file_not_found back to an Error; when it's a Warning, we suppress it in system headers. And it is not a good idea to suppress it in system headers. (This was originally changed in r134996 to implement -MG.)

Fixes <rdar://10041960>.  And also brings down the number of warnings without a flag by one :)



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138842 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index b14c7e8382..c3557a5e93 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -105,6 +105,7 @@ class Preprocessor : public llvm::RefCountedBase<Preprocessor> {
   // State that is set before the preprocessor begins.
   bool KeepComments : 1;
   bool KeepMacroComments : 1;
+  bool SuppressIncludeNotFoundError : 1;
 
   // State that changes while the preprocessor runs:
   bool InMacroArgs : 1;            // True if parsing fn macro invocation args.
@@ -344,6 +345,14 @@ public:
 
   bool getCommentRetentionState() const { return KeepComments; }
 
+  void SetSuppressIncludeNotFoundError(bool Suppress) {
+    SuppressIncludeNotFoundError = Suppress;
+  }
+
+  bool GetSuppressIncludeNotFoundError() {
+    return SuppressIncludeNotFoundError;
+  }
+
   /// isCurrentLexer - Return true if we are lexing directly from the specified
   /// lexer.
   bool isCurrentLexer(const PreprocessorLexer *L) const {