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re PR c++/47022 (ICE: in tsubst_copy, at cp/pt.c:11682)

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PR c++/47022
	* pt.c (tsubst_copy_and_build): Use tsubst instead of tsubst_copy
	for the second build_x_va_arg argument.

	* g++.dg/template/stdarg1.C: New test.

From-SVN: r168564
This commit is contained in:
Jakub Jelinek 2011-01-07 12:49:44 +01:00 committed by Jakub Jelinek
parent 4f0d010ebb
commit a14e516339
4 changed files with 65 additions and 2 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2011-01-07 Jakub Jelinek <jakub@redhat.com>
PR c++/47022
* pt.c (tsubst_copy_and_build): Use tsubst instead of tsubst_copy
for the second build_x_va_arg argument.
2011-01-05 Tom Tromey <tromey@redhat.com>
* typeck.c (cp_build_addr_expr_1): Update call to lvalue_error.

3
gcc/cp/pt.c
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@ -13239,8 +13239,7 @@ tsubst_copy_and_build (tree t,
case VA_ARG_EXPR:
return build_x_va_arg (RECUR (TREE_OPERAND (t, 0)),
tsubst_copy (TREE_TYPE (t), args, complain,
in_decl));
tsubst (TREE_TYPE (t), args, complain, in_decl));
case OFFSETOF_EXPR:
return finish_offsetof (RECUR (TREE_OPERAND (t, 0)));

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2011-01-07 Jakub Jelinek <jakub@redhat.com>
PR c++/47022
* g++.dg/template/stdarg1.C: New test.
2011-01-06 Daniel Franke <franke.daniel@gmail.com>
PR fortran/47195

53
gcc/testsuite/g++.dg/template/stdarg1.C Normal file
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@ -0,0 +1,53 @@
// PR c++/47022
// { dg-do compile }
#include <cstdarg>
template <typename T>
void
f1 (T *p, va_list ap)
{
*p = va_arg (ap, long double);
*p += va_arg (ap, double);
}
template <typename T>
void
f2 (T *p, va_list ap)
{
*p = __real__ va_arg (ap, _Complex int);
*p += __imag__ va_arg (ap, _Complex double);
*p += __imag__ va_arg (ap, _Complex long double);
}
template <typename T>
void
f3 (T *p, va_list ap)
{
*p = va_arg (ap, T);
}
void
foo (int x, va_list ap)
{
if (x == 0)
{
long double ld;
f1 (&ld, ap);
}
else if (x == 1)
{
int i;
f2 (&i, ap);
}
else if (x == 2)
{
long double ld;
f3 (&ld, ap);
}
else if (x == 3)
{
_Complex double cd;
f3 (&cd, ap);
}
}