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re PR c++/36089 (Funny rejects valid with constant integral expression)

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PR c++/36089
	* init.c (constant_value_1): Handle TREE_LIST init.

	* g++.dg/template/init8.C: New test.

From-SVN: r141941
This commit is contained in:
Jakub Jelinek 2008-11-17 08:55:52 +01:00 committed by Jakub Jelinek
parent f92efbc3fe
commit 73ce7fcb8c
4 changed files with 87 additions and 0 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2008-11-17 Jakub Jelinek <jakub@redhat.com>
PR c++/36089
* init.c (constant_value_1): Handle TREE_LIST init.
2008-11-15 Jakub Jelinek <jakub@redhat.com>
PR c++/37561

9
gcc/cp/init.c
View File

@ -1659,6 +1659,15 @@ constant_value_1 (tree decl, bool integral_p)
}
if (init == error_mark_node)
return decl;
/* Initializers in templates are generally expanded during
instantiation, so before that for const int i(2)
INIT is a TREE_LIST with the actual initializer as
TREE_VALUE. */
if (processing_template_decl
&& init
&& TREE_CODE (init) == TREE_LIST
&& TREE_CHAIN (init) == NULL_TREE)
init = TREE_VALUE (init);
if (!init
|| !TREE_TYPE (init)
|| (integral_p

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2008-11-17 Jakub Jelinek <jakub@redhat.com>
PR c++/36089
* g++.dg/template/init8.C: New test.
2008-11-16 Mikael Morin <mikael.morin@tele2.fr>
PR fortran/35681

68
gcc/testsuite/g++.dg/template/init8.C Normal file
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@ -0,0 +1,68 @@
// PR c++/36089
// { dg-do run }
extern "C" void abort ();
int f ()
{
const int c(2);
int d[c] = { 0, 0 };
return d[0] + sizeof d;
}
struct A
{
static int f ()
{
const int c(2);
int d[c] = { 0, 0 };
return d[0] + sizeof d;
}
};
template <int> struct B
{
static int f ()
{
const int c = 2;
int d[c] = { 0, 0 };
return d[0] + sizeof d;
}
};
template <int> struct C
{
static int f ()
{
const int c(2);
int d[c] = { 0, 0 };
return d[0] + sizeof d;
}
};
template <int> struct D
{
static int f ()
{
const int e(2);
const int c(e);
int d[c] = { 0, 0 };
return d[0] + sizeof d;
}
};
int
main (void)
{
int v = f ();
if (v != 2 * sizeof (int))
abort ();
if (v != A::f ())
abort ();
if (v != B<6>::f ())
abort ();
if (v != C<0>::f ())
abort ();
if (v != D<1>::f ())
abort ();
}