http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50494
--- Comment #14 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2013-02-13 22:13:42 UTC --- > In LTO: > > /* If this variable belongs to the global constant pool, retrieve the > pre-computed RTL or recompute it in LTO mode. */ > if (TREE_CODE (decl) == VAR_DECL && DECL_IN_CONSTANT_POOL (decl)) > { > SET_DECL_RTL (decl, output_constant_def (DECL_INITIAL (decl), 1)); > return; > > but obviously output_constant_def when just getting DECL_INITIAL cannot > honor any special alignment requirements of decl. It will simply get > a new decl with standard alignment. > > We know decl is already the decl associated with the constant, so we > should just re-use it. Why does the alignment of a DECL_IN_CONSTANT_POOL matter here exactly?