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re PR c++/12774 (Type checking problems in templates)

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cp:
	PR c++/12774
	* typeck.c (comp_array_types): Fold non-dependent domains for
	ABI-1.
testsuite:
	PR c++/12774
	* g++.dg/template/array1-1.C: New test.
	* g++.dg/template/array1-2.C: New test.

From-SVN: r75204
This commit is contained in:
Nathan Sidwell 2003-12-29 17:02:03 +00:00 committed by Nathan Sidwell
parent b66906a8ff
commit 30a035080e
5 changed files with 98 additions and 2 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2003-12-29 Nathan Sidwell <nathan@codesourcery.com>
PR c++/12774
* typeck.c (comp_array_types): Fold non-dependent domains for
ABI-1.
2003-12-29 Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
PR c++/13289

24
gcc/cp/typeck.c
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@ -857,6 +857,7 @@ comp_array_types (tree t1, tree t2, bool allow_redeclaration)
{
tree d1;
tree d2;
tree max1, max2;
if (t1 == t2)
return true;
@ -887,8 +888,27 @@ comp_array_types (tree t1, tree t2, bool allow_redeclaration)
return allow_redeclaration;
/* Check that the dimensions are the same. */
return (cp_tree_equal (TYPE_MIN_VALUE (d1), TYPE_MIN_VALUE (d2))
&& cp_tree_equal (TYPE_MAX_VALUE (d1), TYPE_MAX_VALUE (d2)));
if (!cp_tree_equal (TYPE_MIN_VALUE (d1), TYPE_MIN_VALUE (d2)))
return false;
max1 = TYPE_MAX_VALUE (d1);
max2 = TYPE_MAX_VALUE (d2);
if (processing_template_decl && !abi_version_at_least (2)
&& !value_dependent_expression_p (max1)
&& !value_dependent_expression_p (max2))
{
/* With abi-1 we do not fold non-dependent array bounds, (and
consequently mangle them incorrectly). We must therefore
fold them here, to verify the domains have the same
value. */
max1 = fold (max1);
max2 = fold (max2);
}
if (!cp_tree_equal (max1, max2))
return false;
return true;
}
/* Return true if T1 and T2 are related as allowed by STRICT. STRICT

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2003-12-29 Nathan Sidwell <nathan@codesourcery.com>
PR c++/12774
* g++.dg/template/array1-1.C: New test.
* g++.dg/template/array1-2.C: New test.
2003-12-29 Roger Sayle <roger@eyesopen.com>
PR fortran/12632

32
gcc/testsuite/g++.dg/template/array1-1.C Normal file
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@ -0,0 +1,32 @@
// { dg-do compile }
// { dg-options "-fabi-version=1" }
// Contributed by Nathan Sidwell 22 Dec 2003 <nathan@codesourcery.com>
// Origin: Roger Sayle <roger@eyesopen.com>
// PR c++/12774 Array domains compared unequal
void Foo(double r[3][3])
{
}
void Baz()
{
double m[3][3];
Foo(m);
}
template <class T>
void Bar()
{
double m[3][3];
Foo(m);
}
int main()
{
Baz();
Bar<int>();
return 0;
}

32
gcc/testsuite/g++.dg/template/array1-2.C Normal file
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@ -0,0 +1,32 @@
// { dg-do compile }
// { dg-options "-fabi-version=2" }
// Contributed by Nathan Sidwell 22 Dec 2003 <nathan@codesourcery.com>
// Origin: Roger Sayle <roger@eyesopen.com>
// PR c++/12774 Array domains compared unequal
void Foo(double r[3][3])
{
}
void Baz()
{
double m[3][3];
Foo(m);
}
template <class T>
void Bar()
{
double m[3][3];
Foo(m);
}
int main()
{
Baz();
Bar<int>();
return 0;
}