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-rw-r--r--include/clang/Serialization/ASTBitCodes.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/clang/Serialization/ASTBitCodes.h b/include/clang/Serialization/ASTBitCodes.h
index 51146f0c99..27dda4fe2a 100644
--- a/include/clang/Serialization/ASTBitCodes.h
+++ b/include/clang/Serialization/ASTBitCodes.h
@@ -119,6 +119,9 @@ namespace clang {
/// \brief An ID number that refers to an identifier in an AST file.
typedef uint32_t IdentID;
+ /// \brief The number of predefined identifier IDs.
+ const unsigned int NUM_PREDEF_IDENT_IDS = 1;
+
/// \brief An ID number that refers to a macro in an AST file.
typedef uint32_t MacroID;