review (S) for 6717150

[Chuck Rasbold]

http://webrev.invokedynamic.info/rasbold/6717150

6717150: improper constant folding of subnormal strictfp multiplications 
and divides
Summary: suppress constant folding of double divides and multiplications 
on ia32
Reviewed-by:

This workaround fix is already in HS13, needs to be brought forward
into HS14.  We should do a more elegant fix in the future.