clang/Basic: ContentCache::InvalidFlag => ContentCache::IsBufferInvalid, NFC

Move a flag out of the `MemoryBuffer*` to unblock changing it to a
`unique_ptr`. There are plenty of bits available in the bitfield below.

Differential Revision: https://reviews.llvm.org/D89431

1 files changed, 5 insertions, 5 deletions

diff --git a/clang/lib/Basic/SourceManager.cpp b/clang/lib/Basic/SourceManager.cpp
index 27d2f39..c831d26 100644
--- a/clang/lib/Basic/SourceManager.cpp
+++ b/clang/lib/Basic/SourceManager.cpp
@@ -123,7 +123,7 @@ ContentCache::getBufferOrNone(DiagnosticsEngine &Diag, FileManager &FM,
                               SourceLocation Loc) const {
   // Lazily create the Buffer for ContentCaches that wrap files.  If we already
   // computed it, just return what we have.
-  if (isBufferInvalid())
+  if (IsBufferInvalid)
     return None;
   if (auto *B = Buffer.getPointer())
     return B->getMemBufferRef();
@@ -144,7 +144,7 @@ ContentCache::getBufferOrNone(DiagnosticsEngine &Diag, FileManager &FM,
       Diag.Report(Loc, diag::err_file_too_large)
         << ContentsEntry->getName();
 
-    Buffer.setInt(Buffer.getInt() | InvalidFlag);
+    IsBufferInvalid = true;
     return None;
   }
 
@@ -164,7 +164,7 @@ ContentCache::getBufferOrNone(DiagnosticsEngine &Diag, FileManager &FM,
       Diag.Report(Loc, diag::err_cannot_open_file)
           << ContentsEntry->getName() << BufferOrError.getError().message();
 
-    Buffer.setInt(Buffer.getInt() | InvalidFlag);
+    IsBufferInvalid = true;
     return None;
   }
 
@@ -180,7 +180,7 @@ ContentCache::getBufferOrNone(DiagnosticsEngine &Diag, FileManager &FM,
       Diag.Report(Loc, diag::err_file_modified)
         << ContentsEntry->getName();
 
-    Buffer.setInt(Buffer.getInt() | InvalidFlag);
+    IsBufferInvalid = true;
     return None;
   }
 
@@ -193,7 +193,7 @@ ContentCache::getBufferOrNone(DiagnosticsEngine &Diag, FileManager &FM,
   if (InvalidBOM) {
     Diag.Report(Loc, diag::err_unsupported_bom)
       << InvalidBOM << ContentsEntry->getName();
-    Buffer.setInt(Buffer.getInt() | InvalidFlag);
+    IsBufferInvalid = true;
     return None;
   }