[Bug c/37783] double (a+a)-(b+b) fetches constant 2.0, rather than using subtract

[rrh at google dot com]

------- Comment #1 from rrh at google dot com  2008-10-09 16:38 -------
I should have added that this is for -O, -O2, -O3.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37783