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re PR middle-end/24901 (Misaligned data in fold_checksum_tree (--enable-checking=all))

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PR middle-end/24901
	* fold-const.c (fold_checksum_tree): Change type of buf.

From-SVN: r110487
This commit is contained in:
Steve Ellcey 2006-02-02 00:13:39 +00:00 • committed by Steve Ellcey
parent 65b4c3370f
commit 3f7f53c7b3
2 changed files with 10 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2006-02-01 Steve Ellcey <sje@cup.hp.com>
PR middle-end/24901
* fold-const.c (fold_checksum_tree): Change type of buf.
2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
* reload.c (push_secondary_reload): Initialize t_icode.

10
gcc/fold-const.c
View file

@ -10476,7 +10476,7 @@ fold_checksum_tree (tree expr, struct md5_ctx *ctx, htab_t ht)
{
void **slot;
enum tree_code code;
char buf[sizeof (struct tree_function_decl)];
struct tree_function_decl buf;
int i, len;
recursive_label:
@ -10495,8 +10495,8 @@ recursive_label:
&& DECL_ASSEMBLER_NAME_SET_P (expr))
{
/* Allow DECL_ASSEMBLER_NAME to be modified. */
memcpy (buf, expr, tree_size (expr));
expr = (tree) buf;
memcpy ((char *) &buf, expr, tree_size (expr));
expr = (tree) &buf;
SET_DECL_ASSEMBLER_NAME (expr, NULL);
}
else if (TREE_CODE_CLASS (code) == tcc_type
@ -10505,8 +10505,8 @@ recursive_label:
|| TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr)))
{
/* Allow these fields to be modified. */
memcpy (buf, expr, tree_size (expr));
expr = (tree) buf;
memcpy ((char *) &buf, expr, tree_size (expr));
expr = (tree) &buf;
TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr) = 0;
TYPE_POINTER_TO (expr) = NULL;
TYPE_REFERENCE_TO (expr) = NULL;