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Swap mutated block and function def block

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This commit is contained in:
Bhargava Shastry 2019-12-30 15:21:11 +01:00
parent 2c48f9a841
commit 145a4ee645
1 changed files with 6 additions and 1 deletions
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7
test/tools/ossfuzz/protomutators/YulProtoMutator.cpp
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@ -666,8 +666,13 @@ static YulProtoMutator addFuncDef(
std::cout << "YULMUTATOR: Add function def" << std::endl; std::cout << "YULMUTATOR: Add function def" << std::endl;
#endif #endif
auto block = static_cast<Block*>(_message); auto block = static_cast<Block*>(_message);
auto stmt = block->add_statements();
auto funcDef = new FunctionDef(); auto funcDef = new FunctionDef();
funcDef->set_num_input_params(_seed);
funcDef->set_num_output_params(_seed + block->ByteSizeLong());
funcDef->mutable_block()->Swap(block);
// block should be empty now since it has been swapped
// with a default instance of function definition block.
auto stmt = block->add_statements();
stmt->set_allocated_funcdef(funcDef); stmt->set_allocated_funcdef(funcDef);
#ifdef DEBUG #ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl; std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;