Merge #18292: fuzz: Add assert(script == decompressed_script)

fab0e5b fuzz: Add assert(script == decompressed_script) (MarcoFalke)

Pull request description:

  Presumably an oversight in bitcoin/bitcoin#17926 (comment)

ACKs for top commit:
  practicalswift:
    Tested ACK fab0e5b

Tree-SHA512: 6dcec06169df497a540fd6ebbcd89f5db22257241b2bbe756de868742f9bc324b80d38dbababfa07e5f3a830aaae9fc6d168dcc2ca5d75da437bdf4dc4e0f370

Author: MarcoFalke

src/test/fuzz/script.cpp

@@ -33,10 +33,12 @@ void test_one_input(const std::vector<uint8_t>& buffer)
     std::vector<unsigned char> compressed;
     if (CompressScript(script, compressed)) {
         const unsigned int size = compressed[0];
+        compressed.erase(compressed.begin());
         assert(size >= 0 && size <= 5);
         CScript decompressed_script;
         const bool ok = DecompressScript(decompressed_script, size, compressed);
         assert(ok);
+        assert(script == decompressed_script);
     }
 
     for (unsigned int size = 0; size < 6; ++size) {