From b75c13fd96d1a2bc216c1ba1ceb6402d46aaf668 Mon Sep 17 00:00:00 2001 From: Volker Reichelt Date: Tue, 6 Dec 2005 11:00:46 +0000 Subject: [PATCH] Backport: 2005-10-18 Nathan Sidwell PR c++/21383 * name-lookup.c (arg_assoc): Template args can be null in a template-id-expr. * g++.dg/overload/koenig2.C: New. From-SVN: r108114 --- gcc/cp/ChangeLog | 9 +++++++++ gcc/cp/name-lookup.c | 7 ++++--- gcc/testsuite/ChangeLog | 8 ++++++++ gcc/testsuite/g++.dg/overload/koenig2.C | 15 +++++++++++++++ 4 files changed, 36 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/g++.dg/overload/koenig2.C diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index e9767a957fc0..6d139be49ba4 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,12 @@ +2005-12-06 Volker Reichelt + + Backport: + 2005-10-18 Nathan Sidwell + + PR c++/21383 + * name-lookup.c (arg_assoc): Template args can be null in a + template-id-expr. + 2005-12-05 Volker Reichelt Backport: diff --git a/gcc/cp/name-lookup.c b/gcc/cp/name-lookup.c index 7cefe2e661cf..28d89e93fb20 100644 --- a/gcc/cp/name-lookup.c +++ b/gcc/cp/name-lookup.c @@ -4433,9 +4433,10 @@ arg_assoc (struct arg_lookup *k, tree n) return true; /* Now the arguments. */ - for (ix = TREE_VEC_LENGTH (args); ix--;) - if (arg_assoc_template_arg (k, TREE_VEC_ELT (args, ix)) == 1) - return true; + if (args) + for (ix = TREE_VEC_LENGTH (args); ix--;) + if (arg_assoc_template_arg (k, TREE_VEC_ELT (args, ix)) == 1) + return true; } else if (TREE_CODE (n) == OVERLOAD) { diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 919ebd5fdad7..d8d2b4857d0a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2005-12-06 Volker Reichelt + + Backport: + 2005-10-18 Nathan Sidwell + + PR c++/21383 + * g++.dg/overload/koenig2.C: New. + 2005-12-05 Volker Reichelt Backport: diff --git a/gcc/testsuite/g++.dg/overload/koenig2.C b/gcc/testsuite/g++.dg/overload/koenig2.C new file mode 100644 index 000000000000..f35aa1a31b63 --- /dev/null +++ b/gcc/testsuite/g++.dg/overload/koenig2.C @@ -0,0 +1,15 @@ +// Copyright (C) 2005 Free Software Foundation, Inc. +// Contributed by Nathan Sidwell 18 Oct 2005 + +// PR 21383 +// Origin: Matthew Hall + +template +void dummy(T& t); + +void anyfunc(int x); + +void Foo () +{ + anyfunc (&dummy<>); // { dg-error "cannot resolve overload" "" } +} -- 2.47.2