RFR: [CSR] 8287376: BigDecimal(String) must allow a larger range for the exponent

[Raffaello Giulietti]

Currently, BigDecimal(String) requires the exponent part to lie in the 
int range.

This CSR [1] removes this limitation, as it otherwise precludes 
constructing an instance from a string generated by BigDecimal.toString().


Greetings
Raffaello

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[1] https://bugs.openjdk.java.net/browse/JDK-8287376