[Bug tree-optimization/30911] VRP fails to eliminate range checks in Ada code

[ebotcazou at gcc dot gnu dot org]

------- Comment #65 from ebotcazou at gcc dot gnu dot org  2008-03-30 16:15 -------
> So even GNAT assumes parameter values are in-range?  Wouldn't that
> cause an bounded error to become an unbounded error if it were
> out-of-range?

GNAT considers that it's an unbounded error in a few specific cases by default,
for example subscripts on the LHS.  But not on the RHS (-gnatVs is needed).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30911