llvm-cov: Handle missing source files as GCOV does

[oota-llvm.git] / include / llvm / Support / raw_ostream.h

diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index a0f2c7798fb45118f6a587a9937f2b96de2e3a76..34fbe082cda804178647039e0d00b9c30f6bd048 100644 (file)
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -17,13 +17,18 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/DataTypes.h"
-#include "llvm/Support/FileSystem.h"
 
 namespace llvm {
   class format_object_base;
   template <typename T>
   class SmallVectorImpl;
 
+  namespace sys {
+    namespace fs {
+      enum OpenFlags : unsigned;
+    }
+  }
+
 /// raw_ostream - This class implements an extremely fast bulk output stream
 /// that can *only* output to a stream.  It does not support seeking, reopening,
 /// rewinding, line buffered disciplines etc. It is a simple buffer that outputs
@@ -157,7 +162,7 @@ public:
     size_t Size = Str.size();
 
     // Make sure we can use the fast path.
-    if (OutBufCur+Size > OutBufEnd)
+    if (Size > (size_t)(OutBufEnd - OutBufCur))
       return write(Str.data(), Size);
 
     memcpy(OutBufCur, Str.data(), Size);