[Yul] Implements a pass to rewrite for-loop's pre block into the parent's Block.

libyul/optimiser/Suite.cpp

@@ -27,6 +27,7 @@
 #include <libyul/optimiser/ExpressionJoiner.h>
 #include <libyul/optimiser/ExpressionInliner.h>
 #include <libyul/optimiser/FullInliner.h>
+#include <libyul/optimiser/ForLoopInitRewriter.h>
 #include <libyul/optimiser/Rematerialiser.h>
 #include <libyul/optimiser/UnusedPruner.h>
 #include <libyul/optimiser/ExpressionSimplifier.h>
@@ -58,6 +59,7 @@ void OptimiserSuite::run(
 
 	(FunctionHoister{})(ast);
 	(FunctionGrouper{})(ast);
+	(ForLoopInitRewriter{})(ast);
 
 	NameDispenser dispenser{ast};