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(type_lists_compatible_p): Treat transparent unions just like unnamed 

ones.

From-SVN: r7979
This commit is contained in:
Richard Kenner 1994-08-25 11:30:29 -04:00
parent e0a9205103
commit ea3373cd2d
1 changed files with 4 additions and 2 deletions
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6
gcc/c-typeck.c
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@ -655,7 +655,8 @@ type_lists_compatible_p (args1, args2)
/* Allow wait (union {union wait *u; int *i} *)
and wait (union wait *) to be compatible. */
if (TREE_CODE (TREE_VALUE (args1)) == UNION_TYPE
&& TYPE_NAME (TREE_VALUE (args1)) == 0
&& (TYPE_NAME (TREE_VALUE (args1)) == 0
|| TYPE_TRANSPARENT_UNION (TREE_VALUE (args1)))
&& TREE_CODE (TYPE_SIZE (TREE_VALUE (args1))) == INTEGER_CST
&& tree_int_cst_equal (TYPE_SIZE (TREE_VALUE (args1)),
TYPE_SIZE (TREE_VALUE (args2))))
@ -669,7 +670,8 @@ type_lists_compatible_p (args1, args2)
return 0;
}
else if (TREE_CODE (TREE_VALUE (args2)) == UNION_TYPE
&& TYPE_NAME (TREE_VALUE (args2)) == 0
&& (TYPE_NAME (TREE_VALUE (args2)) == 0
|| TYPE_TRANSPARENT_UNION (TREE_VALUE (args2)))
&& TREE_CODE (TYPE_SIZE (TREE_VALUE (args2))) == INTEGER_CST
&& tree_int_cst_equal (TYPE_SIZE (TREE_VALUE (args2)),
TYPE_SIZE (TREE_VALUE (args1))))