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Issue proper warning trying to access calldata variables in inline assembly

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Alex Beregszaszi
2017-07-12 10:48:44 +02:00
parent 699a3724ae
commit db7ad508f8
3 changed files with 19 additions and 1 deletions
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libsolidity/analysis/TypeChecker.cpp
+4 -1
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@@ -723,7 +723,10 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly)
}
else if (var->type()->sizeOnStack() != 1)
{
m_errorReporter.typeError(_identifier.location, "Only types that use one stack slot are supported.");
if (var->type()->dataStoredIn(DataLocation::CallData))
m_errorReporter.typeError(_identifier.location, "Call data elements cannot be accessed directly. Copy to a local variable first or use \"calldataload\" or \"calldatacopy\" with manually determined offsets and sizes.");
else
m_errorReporter.typeError(_identifier.location, "Only types that use one stack slot are supported.");
return size_t(-1);
}
}