diff options
Diffstat (limited to 'gcc/varasm.c')
| -rw-r--r-- | gcc/varasm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index 03ac49b4677..ce9e3280364 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -1992,7 +1992,7 @@ assemble_variable (tree decl, int top_level ATTRIBUTE_UNUSED, return; if (! dont_output_data - && ! host_integerp (DECL_SIZE_UNIT (decl), 1)) + && ! valid_constant_size_p (DECL_SIZE_UNIT (decl))) { error ("size of variable %q+D is too large", decl); return; @@ -4773,9 +4773,13 @@ output_constructor_regular_field (oc_local_state *local) if (local->index != NULL_TREE) { + /* Perform the index calculation in modulo arithmetic but + sign-extend the result because Ada has negative DECL_FIELD_OFFSETs + but we are using an unsigned sizetype. */ + unsigned prec = TYPE_PRECISION (sizetype); double_int idx = double_int_sub (tree_to_double_int (local->index), tree_to_double_int (local->min_index)); - gcc_assert (double_int_fits_in_shwi_p (idx)); + idx = double_int_sext (idx, prec); fieldpos = (tree_low_cst (TYPE_SIZE_UNIT (TREE_TYPE (local->val)), 1) * idx.low); } |