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re PR tree-optimization/17454 (ICE with --enable-checking=fold)

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PR tree-optimization/17454
	* tree.c (tree_size): Add case for TREE_BINFO.
	* fold-const.c (fold_checksum_tree): Only clear the overloaded
	field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.

From-SVN: r96548
This commit is contained in:
Roger Sayle 2005-03-16 02:20:05 +00:00 committed by Roger Sayle
parent c79e602b63
commit 0ebfd2c928
3 changed files with 16 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2005-03-15 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/17454
* tree.c (tree_size): Add case for TREE_BINFO.
* fold-const.c (fold_checksum_tree): Only clear the overloaded
field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
2005-03-15 Roger Sayle <roger@eyesopen.com>
* optabs.c (expand_doubleword_mult): Avoid clobbering op0 and

7
gcc/fold-const.c
View File

@ -10049,8 +10049,11 @@ fold_checksum_tree (tree expr, struct md5_ctx *ctx, htab_t ht)
expr = (tree) buf;
TYPE_POINTER_TO (expr) = NULL;
TYPE_REFERENCE_TO (expr) = NULL;
TYPE_CACHED_VALUES_P (expr) = 0;
TYPE_CACHED_VALUES (expr) = NULL;
if (TYPE_CACHED_VALUES_P (expr))
{
TYPE_CACHED_VALUES_P (expr) = 0;
TYPE_CACHED_VALUES (expr) = NULL;
}
}
md5_process_bytes (expr, tree_size (expr), ctx);
fold_checksum_tree (TREE_TYPE (expr), ctx, ht);

4
gcc/tree.c
View File

@ -243,6 +243,10 @@ tree_size (tree node)
return (sizeof (struct tree_phi_node)
+ (PHI_ARG_CAPACITY (node) - 1) * sizeof (struct phi_arg_d));
case TREE_BINFO:
return (offsetof (struct tree_binfo, base_binfos)
+ VEC_embedded_size (tree, BINFO_N_BASE_BINFOS (node)));
case TREE_VEC:
return (sizeof (struct tree_vec)
+ (TREE_VEC_LENGTH (node) - 1) * sizeof(char *));