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-rw-r--r--src/parser.hpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/parser.hpp b/src/parser.hpp
index 47e860845..35a1c1997 100644
--- a/src/parser.hpp
+++ b/src/parser.hpp
@@ -203,6 +203,7 @@ enum ProcTag {
ProcTag_require_results = 1<<4,
ProcTag_optional_ok = 1<<5,
+ ProcTag_optional_second = 1<<6,
};
enum ProcCallingConvention {