From 7487a7d92796b10ad0f9d93ee87b1319bb6ad970 Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Tue, 12 Jan 2021 09:55:20 +0100
Subject: [PATCH] Use drop_exactly.

---
 libsolidity/analysis/TypeChecker.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 36cf90ab0..d0f86506f 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -40,6 +40,7 @@
 #include <boost/range/adaptor/reversed.hpp>
 
 #include <range/v3/view/zip.hpp>
+#include <range/v3/view/drop_exactly.hpp>
 
 #include <memory>
 #include <vector>
@@ -1001,9 +1002,9 @@ void TypeChecker::endVisit(TryStatement const& _tryStatement)
 	TryCatchClause const* panicClause = nullptr;
 	TryCatchClause const* errorClause = nullptr;
 	TryCatchClause const* lowLevelClause = nullptr;
-	for (size_t i = 1; i < _tryStatement.clauses().size(); ++i)
+	for (auto const& clausePointer: _tryStatement.clauses() | ranges::views::drop_exactly(1))
 	{
-		TryCatchClause const& clause = *_tryStatement.clauses()[i];
+		TryCatchClause const& clause = *clausePointer;
 		if (clause.errorName() == "")
 		{
 			if (lowLevelClause)