[Bug target/18665] [3.4/4.0 Regression] -ftrapv borks up simple integer arithmetic

[rth at gcc dot gnu dot org]

------- Additional Comments From rth at gcc dot gnu dot org  2004-12-06 20:51 
-------
Look at the routines we implement in libgcc and ask again.  We never did
implement sub-word routines.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18665