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fuzz: Assume presence of __builtin_*_overflow, without checks

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MarcoFalke
2024-01-09 16:47:36 +01:00
parent fa223ba5eb
commit aaaace2fd1
2 changed files with 0 additions and 24 deletions
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10
src/test/fuzz/addition_overflow.cpp
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@@ -11,14 +11,6 @@
#include <string>
#include <vector>
#if defined(__has_builtin)
#if __has_builtin(__builtin_add_overflow)
#define HAVE_BUILTIN_ADD_OVERFLOW
#endif
#elif defined(__GNUC__)
#define HAVE_BUILTIN_ADD_OVERFLOW
#endif
namespace {
template <typename T>
void TestAdditionOverflow(FuzzedDataProvider& fuzzed_data_provider)
@@ -32,14 +24,12 @@ void TestAdditionOverflow(FuzzedDataProvider& fuzzed_data_provider)
assert(is_addition_overflow_custom == AdditionOverflow(j, i));
assert(maybe_add == CheckedAdd(j, i));
assert(sat_add == SaturatingAdd(j, i));
#if defined(HAVE_BUILTIN_ADD_OVERFLOW)
T result_builtin;
const bool is_addition_overflow_builtin = __builtin_add_overflow(i, j, &result_builtin);
assert(is_addition_overflow_custom == is_addition_overflow_builtin);
if (!is_addition_overflow_custom) {
assert(i + j == result_builtin);
}
#endif
if (is_addition_overflow_custom) {
assert(sat_add == std::numeric_limits<T>::min() || sat_add == std::numeric_limits<T>::max());
} else {