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re PR c++/12815 (Code compiled with optimization behaves unexpectedly)

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PR c++/12815
        * class.c (build_base_path): Do not mark vtable references as
        TREE_CONSTANT.
        (build_vtbl_ref_1): Likewise.

From-SVN: r75770
This commit is contained in:
Jason Merrill 2004-01-12 19:01:46 -05:00 committed by Jason Merrill
parent f92ed97628
commit 7b25f6e5eb
2 changed files with 7 additions and 2 deletions
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7
gcc/cp/ChangeLog
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@ -1,3 +1,10 @@
2004-01-12 Jason Merrill <jason@redhat.com>
PR c++/12815
* class.c (build_base_path): Do not mark vtable references as
TREE_CONSTANT.
(build_vtbl_ref_1): Likewise.
2004-01-12 Richard Henderson <rth@redhat.com>
PR opt/10776

2
gcc/cp/class.c
View File

@ -328,7 +328,6 @@ build_base_path (enum tree_code code,
build_pointer_type (ptrdiff_type_node),
v_offset);
v_offset = build_indirect_ref (v_offset, NULL);
TREE_CONSTANT (v_offset) = 1;
offset = convert_to_integer (ptrdiff_type_node,
size_diffop (offset,
@ -455,7 +454,6 @@ build_vtbl_ref_1 (tree instance, tree idx)
assemble_external (vtbl);
aref = build_array_ref (vtbl, idx);
TREE_CONSTANT (aref) |= TREE_CONSTANT (vtbl) && TREE_CONSTANT (idx);
return aref;
}