fix #1493

[kimmking]

fix #1493

[codecov-io]

Codecov Report

Merging #1507 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master    #1507      +/-   ##
============================================
+ Coverage     82.79%   82.79%   +<.01%     
  Complexity     6027     6027              
============================================
  Files           136      136              
  Lines         22049    22051       +2     
  Branches       5034     5034              
============================================
+ Hits          18256    18258       +2     
  Misses         2551     2551              
  Partials       1242     1242

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/com/alibaba/fastjson/JSON.java	91.08% <100%> (+0.02%)	117 <0> (ø)	⬇️
...ba/fastjson/parser/deserializer/Jdk8DateCodec.java	72.15% <100%> (+0.1%)	66 <0> (ø)	⬇️

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[wenshao]

这个patch导致com.alibaba.json.bvt.jdk8.LocalDateTimeTest跑不过了