diff options
Diffstat (limited to 'gcc/c/c-decl.c')
| -rw-r--r-- | gcc/c/c-decl.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index aaa9678..4a36c54 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -5272,10 +5272,13 @@ mark_forward_parm_decls (void) literal, which may be an incomplete array type completed by the initializer; INIT is a CONSTRUCTOR at LOC that initializes the compound literal. NON_CONST is true if the initializers contain something - that cannot occur in a constant expression. */ + that cannot occur in a constant expression. If ALIGNAS_ALIGN is nonzero, + it is the (valid) alignment for this compound literal, as specified + with _Alignas. */ tree -build_compound_literal (location_t loc, tree type, tree init, bool non_const) +build_compound_literal (location_t loc, tree type, tree init, bool non_const, + unsigned int alignas_align) { /* We do not use start_decl here because we have a type, not a declarator; and do not use finish_decl because the decl should be stored inside @@ -5299,6 +5302,11 @@ build_compound_literal (location_t loc, tree type, tree init, bool non_const) DECL_IGNORED_P (decl) = 1; TREE_TYPE (decl) = type; c_apply_type_quals_to_decl (TYPE_QUALS (strip_array_types (type)), decl); + if (alignas_align) + { + SET_DECL_ALIGN (decl, alignas_align * BITS_PER_UNIT); + DECL_USER_ALIGN (decl) = 1; + } store_init_value (loc, decl, init, NULL_TREE); if (TREE_CODE (type) == ARRAY_TYPE && !COMPLETE_TYPE_P (type)) |