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re PR c++/7363 (bogus __alignof__ implementation) 

PR c++/7363
	* semantics.c (finish_alignof): Call complete_type before calling
	c_alignof.
	* decl2.c (build_expr_from_tree): Use
	finish_sizeof/finish_alignof.

	* g++.dg/template/alignof1.C: New test.

From-SVN: r58634
This commit is contained in:
Mark Mitchell 2002-10-29 21:12:36 +00:00 committed by Mark Mitchell
parent 71f9914855
commit cd35cc87a5
5 changed files with 27 additions and 5 deletions
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7
gcc/cp/ChangeLog
View File

@ -1,3 +1,10 @@
2002-10-29 Mark Mitchell <mark@codesourcery.com>
* semantics.c (finish_alignof): Call complete_type before calling
c_alignof.
* decl2.c (build_expr_from_tree): Use
finish_sizeof/finish_alignof.
2002-10-10 Jim Wilson <wilson@redhat.com>
* decl.c (duplicate_decls): Don't call decl_attributes.

6
gcc/cp/decl2.c
View File

@ -3795,10 +3795,8 @@ build_expr_from_tree (t)
case ALIGNOF_EXPR:
{
tree r = build_expr_from_tree (TREE_OPERAND (t, 0));
if (!TYPE_P (r))
return TREE_CODE (t) == SIZEOF_EXPR ? expr_sizeof (r) : c_alignof_expr (r);
else
return TREE_CODE (t) == SIZEOF_EXPR ? c_sizeof (r) : c_alignof (r);
return (TREE_CODE (t) == SIZEOF_EXPR
? finish_sizeof (r) : finish_alignof (r));
}
case MODOP_EXPR:

2
gcc/cp/semantics.c
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@ -2117,7 +2117,7 @@ finish_alignof (t)
if (processing_template_decl)
return build_min_nt (ALIGNOF_EXPR, t);
return TYPE_P (t) ? c_alignof (t) : c_alignof_expr (t);
return TYPE_P (t) ? c_alignof (complete_type (t)) : c_alignof_expr (t);
}
/* Generate RTL for the statement T, and its substatements, and any

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2002-10-29 Mark Mitchell <mark@codesourcery.com>
* g++.dg/template/alignof1.C: New test.
2002-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* gcc.dg/20021014-1.c: Bypass errors on solaris2 and irix6.

13
gcc/testsuite/g++.dg/template/alignof1.C Normal file
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@ -0,0 +1,13 @@
template<typename T>
int my_alignof()
{
return __alignof__(T);
}
template<typename>
struct X { };
int main()
{
return my_alignof<X<void> >();
}