diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index c780659b556..97caf1515a2 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10419,6 +10419,8 @@ fold_checksum_tree (tree expr, struct md5_ctx *ctx, htab_t ht) enum tree_code code; char buf[sizeof (struct tree_decl)]; int i, len; + +recursive_label: gcc_assert ((sizeof (struct tree_exp) + 5 * sizeof (tree) <= sizeof (struct tree_decl)) @@ -10440,11 +10442,13 @@ fold_checksum_tree (tree expr, struct md5_ctx *ctx, htab_t ht) } else if (TREE_CODE_CLASS (code) == tcc_type && (TYPE_POINTER_TO (expr) || TYPE_REFERENCE_TO (expr) - || TYPE_CACHED_VALUES_P (expr))) + || TYPE_CACHED_VALUES_P (expr) + || TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr))) { /* Allow these fields to be modified. */ memcpy (buf, expr, tree_size (expr)); expr = (tree) buf; + TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr) = 0; TYPE_POINTER_TO (expr) = NULL; TYPE_REFERENCE_TO (expr) = NULL; if (TYPE_CACHED_VALUES_P (expr)) @@ -10456,7 +10460,8 @@ fold_checksum_tree (tree expr, struct md5_ctx *ctx, htab_t ht) md5_process_bytes (expr, tree_size (expr), ctx); fold_checksum_tree (TREE_TYPE (expr), ctx, ht); if (TREE_CODE_CLASS (code) != tcc_type - && TREE_CODE_CLASS (code) != tcc_declaration) + && TREE_CODE_CLASS (code) != tcc_declaration + && code != TREE_LIST) fold_checksum_tree (TREE_CHAIN (expr), ctx, ht); switch (TREE_CODE_CLASS (code)) { @@ -10484,6 +10489,8 @@ fold_checksum_tree (tree expr, struct md5_ctx *ctx, htab_t ht) case TREE_LIST: fold_checksum_tree (TREE_PURPOSE (expr), ctx, ht); fold_checksum_tree (TREE_VALUE (expr), ctx, ht); + expr = TREE_CHAIN (expr); + goto recursive_label; break; case TREE_VEC: for (i = 0; i < TREE_VEC_LENGTH (expr); ++i) |