KOBAYASHI Shuji
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a53f28275e
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Fix MRB_FIXNUM_SHIFT with MRB_WORD_BOXING, MRB_INT32 and MRB_64BIT
### Example
```ruby
# example.rb
max32 = 2**30 - 1 + 2**30
min32 = -max32-1
[max32, max32+1, min32, min32-1].each{|n| p [n, n.class]}
```
#### Before this patch:
```
$ bin/mruby example.rb
[2147483647, Float]
[2147483648, Float]
[-2147483648, Float]
[-2147483649, Float]
```
#### After this patch:
```
$ bin/mruby example.rb
[2147483647, Fixnum]
[2147483648, Float]
[-2147483648, Fixnum]
[-2147483649, Float]
```
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2019-12-01 22:09:38 +09:00 |
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