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typeck.c (build_ptrmemfunc): Just reinterpret if there's no adjustment necessary.

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* typeck.c (build_ptrmemfunc): Just reinterpret if there's no
        adjustment necessary.

From-SVN: r35954
This commit is contained in:
Jason Merrill 2000-08-24 16:43:51 -04:00 committed by Jason Merrill
parent 40e8cc959c
commit 3f2b640a7a
2 changed files with 16 additions and 8 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2000-08-24 Jason Merrill <jason@redhat.com>
* typeck.c (build_ptrmemfunc): Just reinterpret if there's no
adjustment necessary.
2000-08-24 Greg McGary <greg@mcgary.org>
* cp-tree.h (MAIN_NAME_P): Remove macro.

17
gcc/cp/typeck.c
View File

@ -6125,12 +6125,21 @@ build_ptrmemfunc (type, pfn, force)
cp_error ("invalid conversion to type `%T' from type `%T'",
to_type, pfn_type);
n = get_delta_difference (TYPE_PTRMEMFUNC_OBJECT_TYPE (pfn_type),
TYPE_PTRMEMFUNC_OBJECT_TYPE (to_type),
force);
/* We don't have to do any conversion to convert a
pointer-to-member to its own type. But, we don't want to
just return a PTRMEM_CST if there's an explicit cast; that
cast should make the expression an invalid template argument. */
if (TREE_CODE (pfn) != PTRMEM_CST && same_type_p (to_type, pfn_type))
if (TREE_CODE (pfn) != PTRMEM_CST)
{
if (same_type_p (to_type, pfn_type))
return pfn;
else if (integer_zerop (n))
return build_reinterpret_cast (to_type, pfn);
}
if (TREE_SIDE_EFFECTS (pfn))
pfn = save_expr (pfn);
@ -6142,9 +6151,6 @@ build_ptrmemfunc (type, pfn, force)
npfn = build_component_ref (pfn, pfn_identifier, NULL_TREE, 0);
delta = build_component_ref (pfn, delta_identifier, NULL_TREE, 0);
delta = cp_convert (ptrdiff_type_node, delta);
n = get_delta_difference (TYPE_PTRMEMFUNC_OBJECT_TYPE (pfn_type),
TYPE_PTRMEMFUNC_OBJECT_TYPE (to_type),
force);
delta = cp_build_binary_op (PLUS_EXPR, delta, n);
return build_ptrmemfunc1 (to_type, delta, NULL_TREE, npfn,
NULL_TREE);
@ -6173,9 +6179,6 @@ build_ptrmemfunc (type, pfn, force)
idx = build_component_ref (pfn, index_identifier, NULL_TREE, 0);
}
n = get_delta_difference (TYPE_PTRMEMFUNC_OBJECT_TYPE (pfn_type),
TYPE_PTRMEMFUNC_OBJECT_TYPE (to_type),
force);
delta = cp_build_binary_op (PLUS_EXPR, ndelta, n);
delta2 = cp_build_binary_op (PLUS_EXPR, ndelta2, n);
e1 = fold (build (GT_EXPR, boolean_type_node, idx, integer_zero_node));