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Fix use-after-free bugs in string refinement #939

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Merged
merged 1 commit into from
May 18, 2017
Merged

Fix use-after-free bugs in string refinement #939

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5 changes: 3 additions & 2 deletions src/goto-programs/string_refine_preprocess.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -755,7 +755,7 @@ void string_refine_preprocesst::make_string_function(
code_function_callt &function_call=to_code_function_call(target->code);
code_typet function_type=to_code_type(function_call.function().type());
code_typet new_type;
const source_locationt &loc=function_call.source_location();
const source_locationt loc=function_call.source_location();
declare_function(function_name, function_type);
function_application_exprt rhs;
std::vector<exprt> args;
Expand Down Expand Up @@ -1074,7 +1074,8 @@ void string_refine_preprocesst::replace_string_calls(
{
if(target->is_function_call())
{
code_function_callt &function_call=to_code_function_call(target->code);
const code_function_callt function_call=
to_code_function_call(target->code);

if(function_call.function().id()==ID_symbol)
{
Expand Down