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PiperOrigin-RevId: 598965366

fuzztest/internal/type_support.h

diff --git a/fuzztest/internal/type_support.h b/fuzztest/internal/type_support.h
index f09a1d7..e5b6219 100644
--- a/fuzztest/internal/type_support.h
+++ b/fuzztest/internal/type_support.h
@@ -174,7 +174,7 @@
         // embedded NULL character.
         const std::string input(v.data(), v.data() + v.size());
         const std::string escaped = absl::CEscape(input);
-        if constexpr (std::is_convertible_v<T, std::vector<uint8_t>>) {
+        if constexpr (std::is_same_v<T, std::vector<uint8_t>>) {
           absl::Format(out, "fuzztest::ToByteArray(\"%s\")", escaped);
         } else if (absl::StrContains(input, '\0')) {
           absl::Format(out, "std::string(\"%s\", %d)", escaped, v.size());
@@ -587,7 +587,7 @@
     return FloatingPrinter{};
   } else if constexpr (std::is_convertible_v<T, absl::string_view> ||
                        std::is_convertible_v<T, std::string_view> ||
-                       std::is_convertible_v<T, std::vector<uint8_t>>) {
+                       std::is_same_v<T, std::vector<uint8_t>>) {
     return StringPrinter{};
   } else if constexpr (is_monostate_v<T>) {
     return MonostatePrinter{};