Fix typo in remap_type_1

[Eric Botcazou]

There is a typo in the code that chains the variants after remapping

  t = TYPE_MAIN_VARIANT (type);
[...]
     {
       t = remap_type (t, id);
       TYPE_MAIN_VARIANT (new) = t;
       TYPE_NEXT_VARIANT (new) = TYPE_MAIN_VARIANT (t);
       TYPE_NEXT_VARIANT (t) = new;
     }

t is a main variant so TYPE_MAIN_VARIANT (t) == t.  The correct chaining is 
implemented in build_variant_type_copy:

  tree t, m = TYPE_MAIN_VARIANT (type);
[...]
  /* Add the new type to the chain of variants of TYPE.  */
  TYPE_NEXT_VARIANT (t) = TYPE_NEXT_VARIANT (m);
  TYPE_NEXT_VARIANT (m) = t;
  TYPE_MAIN_VARIANT (t) = m;


Bootstrapped/regtested on i586-suse-linux, applied on the mainline as obvious.


2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-inline.c (remap_type_1): Correctly chain variants.


-- 
Eric Botcazou
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