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-rw-r--r--libsolidity/analysis/TypeChecker.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 06e26a76..fc1b1f59 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -94,6 +94,8 @@ bool TypeChecker::visit(ContractDefinition const& _contract)
fallbackFunction = function;
if (_contract.isLibrary())
typeError(fallbackFunction->location(), "Libraries cannot have fallback functions.");
+ if (fallbackFunction->isDeclaredConst())
+ typeError(fallbackFunction->location(), "Fallback function cannot be declared constant.");
if (!fallbackFunction->parameters().empty())
typeError(fallbackFunction->parameterList().location(), "Fallback function cannot take parameters.");
if (!fallbackFunction->returnParameters().empty())