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authorchriseth <chris@ethereum.org>2017-06-30 20:09:35 +0800
committerchriseth <chris@ethereum.org>2017-06-30 20:16:16 +0800
commit71d866cd7ab8013f36ab5b01d849a74b9908aae0 (patch)
tree40e6c1ca1439cd49403e731894ac89f0191d471c /libsolidity/codegen/ContractCompiler.cpp
parent735c977db1824436d09d8e7a5c120fcab21003c3 (diff)
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Abort early if there is nothing to encode or decode.
Diffstat (limited to 'libsolidity/codegen/ContractCompiler.cpp')
-rw-r--r--libsolidity/codegen/ContractCompiler.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/libsolidity/codegen/ContractCompiler.cpp b/libsolidity/codegen/ContractCompiler.cpp
index 74b07d4d..c358a519 100644
--- a/libsolidity/codegen/ContractCompiler.cpp
+++ b/libsolidity/codegen/ContractCompiler.cpp
@@ -299,9 +299,12 @@ void ContractCompiler::appendFunctionSelector(ContractDefinition const& _contrac
// Return tag is used to jump out of the function.
eth::AssemblyItem returnTag = m_context.pushNewTag();
- // Parameter for calldataUnpacker
- m_context << CompilerUtils::dataStartOffset;
- appendCalldataUnpacker(functionType->parameterTypes());
+ if (!functionType->parameterTypes().empty())
+ {
+ // Parameter for calldataUnpacker
+ m_context << CompilerUtils::dataStartOffset;
+ appendCalldataUnpacker(functionType->parameterTypes());
+ }
m_context.appendJumpTo(m_context.functionEntryLabel(functionType->declaration()));
m_context << returnTag;
// Return tag and input parameters get consumed.