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Correctly clean higher order bits for index access.

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This commit is contained in:
chriseth 2016-03-31 01:18:09 +02:00
parent 98b686c672
commit 2c29492227
1 changed files with 2 additions and 0 deletions
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2
libsolidity/codegen/ExpressionCompiler.cpp
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@ -1069,6 +1069,7 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
solAssert(_indexAccess.indexExpression(), "Index expression expected.");
_indexAccess.indexExpression()->accept(*this);
utils().convertType(*_indexAccess.indexExpression()->annotation().type, IntegerType(256), true);
// stack layout: <base_ref> [<length>] <index>
ArrayUtils(m_context).accessIndex(arrayType);
switch (arrayType.location())
@ -1104,6 +1105,7 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
solAssert(_indexAccess.indexExpression(), "Index expression expected.");
_indexAccess.indexExpression()->accept(*this);
utils().convertType(*_indexAccess.indexExpression()->annotation().type, IntegerType(256), true);
// stack layout: <value> <index>
// check out-of-bounds access
m_context << u256(fixedBytesType.numBytes());