java/6391: Constant float to int conversions don't use ieee_real_to_integer when compiled to byte-code

[tromey@gcc.gnu.org]

Synopsis: Constant float to int conversions don't use ieee_real_to_integer when compiled to byte-code

State-Changed-From-To: open->analyzed
State-Changed-By: tromey
State-Changed-When: Sat May 11 17:44:36 2002
State-Changed-Why:
    I looked at this a bit today.
    The problem is that fold_convert() isn't using java semantics.
    We need some way to tell it about this difference between
    C and Java.
    I'm not exactly sure what how that should happen; I'll ask.

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