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-rw-r--r--libyul/optimiser/CommonSubexpressionEliminator.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libyul/optimiser/CommonSubexpressionEliminator.h b/libyul/optimiser/CommonSubexpressionEliminator.h
index 4b7973e2..9f416d9f 100644
--- a/libyul/optimiser/CommonSubexpressionEliminator.h
+++ b/libyul/optimiser/CommonSubexpressionEliminator.h
@@ -26,6 +26,8 @@
namespace yul
{
+struct Dialect;
+
/**
* Optimisation stage that replaces expressions known to be the current value of a variable
* in scope by a reference to that variable.