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Do not provide access to external assembly variables from within functions.

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This commit is contained in:
chriseth 2019-01-28 14:41:33 +01:00
parent 0ef45b2890
commit 64312584dc
1 changed files with 4 additions and 2 deletions
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6
libsolidity/codegen/CompilerContext.cpp
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@ -336,9 +336,11 @@ void CompilerContext::appendInlineAssembly(
identifierAccess.resolve = [&]( identifierAccess.resolve = [&](
yul::Identifier const& _identifier, yul::Identifier const& _identifier,
yul::IdentifierContext, yul::IdentifierContext,
bool bool _insideFunction
) ) -> size_t
{ {
if (_insideFunction)
return size_t(-1);
auto it = std::find(_localVariables.begin(), _localVariables.end(), _identifier.name.str()); auto it = std::find(_localVariables.begin(), _localVariables.end(), _identifier.name.str());
return it == _localVariables.end() ? size_t(-1) : 1; return it == _localVariables.end() ? size_t(-1) : 1;
}; };