diff options
Diffstat (limited to 'gcc/stor-layout.c')
| -rw-r--r-- | gcc/stor-layout.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c index 66d3c79e3e8..ebcea9a3934 100644 --- a/gcc/stor-layout.c +++ b/gcc/stor-layout.c @@ -1417,6 +1417,10 @@ place_field (record_layout_info rli, tree field) DECL_FIELD_BIT_OFFSET (field) = rli->bitpos; SET_DECL_OFFSET_ALIGN (field, rli->offset_align); + /* Evaluate nonconstant offsets only once, either now or as soon as safe. */ + if (TREE_CODE (DECL_FIELD_OFFSET (field)) != INTEGER_CST) + DECL_FIELD_OFFSET (field) = variable_size (DECL_FIELD_OFFSET (field)); + /* If this field ended up more aligned than we thought it would be (we approximate this by seeing if its position changed), lay out the field again; perhaps we can use an integral mode for it now. */ |