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builtins.c (std_canonical_va_list): Treat structure based va_list types.

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2008-07-15  Kai Tietz  <kai.tietz@onevision.com>

	* builtins.c (std_canonical_va_list): Treat structure based
	va_list types.

From-SVN: r137819
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Kai Tietz 2008-07-15 09:04:33 +00:00 committed by Kai Tietz
parent 7ce841d2c8
commit e65d1ec6b0
2 changed files with 9 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2008-07-15 Kai Tietz <kai.tietz@onevision.com>
* builtins.c (std_canonical_va_list): Treat structure based
va_list types.
2008-07-15 Ben Elliston <bje@au.ibm.com>
* emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.

6
gcc/builtins.c
View File

@ -4691,10 +4691,12 @@ std_canonical_va_list_type (tree type)
type = TREE_TYPE (type);
else if (POINTER_TYPE_P (type) && POINTER_TYPE_P (TREE_TYPE(type)))
type = TREE_TYPE (type);
wtype = va_list_type_node;
htype = type;
if (TREE_CODE (wtype) == ARRAY_TYPE)
/* Treat structure va_list types. */
if (TREE_CODE (wtype) == RECORD_TYPE && POINTER_TYPE_P (htype))
htype = TREE_TYPE (htype);
else if (TREE_CODE (wtype) == ARRAY_TYPE)
{
/* If va_list is an array type, the argument may have decayed
to a pointer type, e.g. by being passed to another function.