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[Bug tree-optimization/30911] VRP fails to eliminate range checks in Ada code
- From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Mar 2008 16:18:45 -0000
- Subject: [Bug tree-optimization/30911] VRP fails to eliminate range checks in Ada code
- References: <bug-30911-13647@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #66 from ebotcazou at gcc dot gnu dot org 2008-03-30 16:18 -------
> Consider the following test case:
>
> procedure Overflow (X : Positive) return Integer is
> A : array (Positive) of Integer;
> pragma Import (Ada, A);
> begin
> A (X) := X;
> end;
>
> (for which no checks are generated).
Try first to compile it. :-)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30911