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Fix ia64-linux setjmp failures due to attribute aligned on typedef bug.

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* c-common.c (decl_attributes, case A_ALIGN): Revert last change.
	Copy type in a TYPE_DECL, just like pushdecl does.

From-SVN: r35966
This commit is contained in:
Jim Wilson 2000-08-24 23:48:25 +00:00 • committed by Jim Wilson
parent a1066c99f7
commit aee3c6b038
2 changed files with 19 additions and 8 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2000-08-24 Jim Wilson <wilson@cygnus.com>
* c-common.c (decl_attributes, case A_ALIGN): Revert last change.
Copy type in a TYPE_DECL, just like pushdecl does.
2000-08-24 Richard Henderson <rth@cygnus.com>
* toplev.c (main): Enable flag_reorder_blocks at -O2.

22
gcc/c-common.c
View file

@ -788,16 +788,22 @@ decl_attributes (node, attributes, prefix_attributes)
error ("requested alignment is too large");
else if (is_type)
{
if (decl)
/* If we have a TYPE_DECL, then copy the type, so that we
don't accidentally modify a builtin type. See pushdecl. */
if (decl && TREE_TYPE (decl) != error_mark_node
&& DECL_ORIGINAL_TYPE (decl) == NULL_TREE)
{
DECL_ALIGN (decl) = (1 << i) * BITS_PER_UNIT;
DECL_USER_ALIGN (decl) = 1;
}
else
{
TYPE_ALIGN (type) = (1 << i) * BITS_PER_UNIT;
TYPE_USER_ALIGN (type) = 1;
tree tt = TREE_TYPE (decl);
DECL_ORIGINAL_TYPE (decl) = tt;
tt = build_type_copy (tt);
TYPE_NAME (tt) = decl;
TREE_USED (tt) = TREE_USED (decl);
TREE_TYPE (decl) = tt;
type = tt;
}
TYPE_ALIGN (type) = (1 << i) * BITS_PER_UNIT;
TYPE_USER_ALIGN (type) = 1;
}
else if (TREE_CODE (decl) != VAR_DECL
&& TREE_CODE (decl) != FIELD_DECL)