[destructuring] Implement parameter pattern matching.

src/snapshot/serialize.cc

Index: src/snapshot/serialize.cc
diff --git a/src/snapshot/serialize.cc b/src/snapshot/serialize.cc
index 35c03cbc283ade7484b065670c56f1f9ee900eeb..a8d0f51b92ff4e93958528e6ef15dfb9c0e0e94b 100644
--- a/src/snapshot/serialize.cc
+++ b/src/snapshot/serialize.cc
@@ -2639,13 +2639,13 @@ SerializedCodeData::SerializedCodeData(const List<byte>& payload,
 SerializedCodeData::SanityCheckResult SerializedCodeData::SanityCheck(
     Isolate* isolate, String* source) const {
   uint32_t magic_number = GetMagicNumber();
+  if (magic_number != ComputeMagicNumber(isolate)) return MAGIC_NUMBER_MISMATCH;
   uint32_t version_hash = GetHeaderValue(kVersionHashOffset);
   uint32_t source_hash = GetHeaderValue(kSourceHashOffset);
   uint32_t cpu_features = GetHeaderValue(kCpuFeaturesOffset);
   uint32_t flags_hash = GetHeaderValue(kFlagHashOffset);
   uint32_t c1 = GetHeaderValue(kChecksum1Offset);
   uint32_t c2 = GetHeaderValue(kChecksum2Offset);
-  if (magic_number != ComputeMagicNumber(isolate)) return MAGIC_NUMBER_MISMATCH;
   if (version_hash != Version::Hash()) return VERSION_MISMATCH;
   if (source_hash != SourceHash(source)) return SOURCE_MISMATCH;
   if (cpu_features != static_cast<uint32_t>(CpuFeatures::SupportedFeatures())) {