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-rw-r--r--src/include/span.hpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/span.hpp b/src/include/span.hpp
index 11ffc005..ddb08ae3 100644
--- a/src/include/span.hpp
+++ b/src/include/span.hpp
@@ -30,6 +30,7 @@ struct ProtoSpan
};
struct Span
{
+ //::std::unique_ptr<Span> outer_span; // Expansion target for macros
RcString filename;
unsigned int start_line;