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-rw-r--r--lib/Basic/SourceManager.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index b8b72878f5..44a6d66c1a 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -238,7 +238,7 @@ static void ComputeLineNumbers(ContentCache* FI) {
/// for the position indicated. This requires building and caching a table of
/// line offsets for the MemoryBuffer, so this is not cheap: use only when
/// about to emit a diagnostic.
-unsigned SourceManager::getLineNumber(SourceLocation Loc) {
+unsigned SourceManager::getLineNumber(SourceLocation Loc) const {
unsigned FileID = Loc.getFileID();
if (FileID == 0) return 0;