Message ID | 20200422133654.GL2424@tucnak |
---|---|
State | New |
Headers | show |
Series | ia64: Fix C++14 vs. C++17 ABI issue on ia64 [PR94706] | expand |
On Wed, 2020-04-22 at 15:36 +0200, Jakub Jelinek wrote: > Hi! > > ia64 seems to be affected too, but the backend doesn't have any > -Wpsabi warnings and I'm not sure if we really need them for an (almost?) > dead target. > > Untested by me, but Andreas confirmed it fixed all struct-layout-1.exp > regressions. Ok for trunk? > > 2020-04-22 Jakub Jelinek <jakub@redhat.com> > > PR target/94706 > * config/ia64/ia64.c (hfa_element_mode): Ignore > cxx17_empty_base_field_p fields. OK. Jeff
--- gcc/config/ia64/ia64.c.jj 2020-01-12 11:54:36.338414540 +0100 +++ gcc/config/ia64/ia64.c 2020-04-22 12:49:59.627563114 +0200 @@ -4665,7 +4665,7 @@ hfa_element_mode (const_tree type, bool case QUAL_UNION_TYPE: for (t = TYPE_FIELDS (type); t; t = DECL_CHAIN (t)) { - if (TREE_CODE (t) != FIELD_DECL) + if (TREE_CODE (t) != FIELD_DECL || cxx17_empty_base_field_p (t)) continue; mode = hfa_element_mode (TREE_TYPE (t), 1);