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Zero initialize memory arrays

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This commit is contained in:
Leonardo Alt
2020-04-02 15:55:18 +02:00
parent 8d28089abc
commit 39ff0deb05
22 changed files with 475 additions and 35 deletions
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libsolidity/codegen/ir/IRGenerationContext.cpp
+4 -2
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@@ -22,6 +22,7 @@
#include <libsolidity/codegen/YulUtilFunctions.h>
#include <libsolidity/ast/AST.h>
#include <libsolidity/ast/TypeProvider.h>
#include <libsolutil/Whiskers.h>
#include <libsolutil/StringUtils.h>
@@ -112,9 +113,10 @@ string IRGenerationContext::internalDispatch(size_t _in, size_t _out)
for (auto const& contract: mostDerivedContract().annotation().linearizedBaseContracts)
for (FunctionDefinition const* function: contract->definedFunctions())
if (
FunctionType const* functionType = TypeProvider::function(*function)->asCallableFunction(false);
!function->isConstructor() &&
function->parameters().size() == _in &&
function->returnParameters().size() == _out
TupleType(functionType->parameterTypes()).sizeOnStack() == _in &&
TupleType(functionType->returnParameterTypes()).sizeOnStack() == _out
)
{
// 0 is reserved for uninitialized function pointers