[Bug middle-end/28776] [4.2 Regression] dwarf2out.c:2160: ICE: in build_polynomial_chrec, at tree-chrec.h:108

[rakdver at atrey dot karlin dot mff dot cuni dot cz]

------- Comment #11 from rakdver at atrey dot karlin dot mff dot cuni dot cz  2006-08-22 08:05 -------
Subject: Re:  [4.2 Regression] dwarf2out.c:2160: ICE: 
     in build_polynomial_chrec, at tree-chrec.h:108

The fix seems OK to me, could you please test and submit it?

> The following fixes it:
>
> Index: tree-scalar-evolution.c
> ===================================================================
> *** tree-scalar-evolution.c     (revision 116257)
> --- tree-scalar-evolution.c     (working copy)
> *************** fold_used_pointer (tree expr)
> *** 1847,1852 ****
> --- 1847,1854 ----
>         if (new0 == op0 && new1 == op1)
>         return expr;
>
> +       new0 = chrec_convert (TREE_TYPE (expr), new0, NULL_TREE);
> +       new1 = chrec_convert (TREE_TYPE (expr), new1, NULL_TREE);
>         if (code == PLUS_EXPR)
>         expr = chrec_fold_plus (TREE_TYPE (expr), new0, new1);
>         else
>
>


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28776