From 577cba38845aaff506ff61a0f6e79a668af93c79 Mon Sep 17 00:00:00 2001 From: mmitchel Date: Wed, 6 Apr 2005 15:55:00 +0000 Subject: [PATCH] PR c++/20212 * pt.c (regenerate_decl_from_template): Copy attributes for parameters from the pattern to the instantiation. PR c++/20212 * g++.dg/warn/Wunused-11.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97726 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/cp/ChangeLog | 6 ++++++ gcc/cp/pt.c | 7 +++++++ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/warn/Wunused-11.C | 11 +++++++++++ 4 files changed, 29 insertions(+) create mode 100644 gcc/testsuite/g++.dg/warn/Wunused-11.C diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 4987454a4bb0..39e5a458e952 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2005-04-06 Mark Mitchell + + PR c++/20212 + * pt.c (regenerate_decl_from_template): Copy attributes for + parameters from the pattern to the instantiation. + 2005-04-05 Mark Mitchell PR c++/20734 diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index b609ecf7eab6..a6f8ad2e33d3 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -11190,6 +11190,7 @@ regenerate_decl_from_template (tree decl, tree tmpl) while (decl_parm) { tree parm_type; + tree attributes; if (DECL_NAME (decl_parm) != DECL_NAME (pattern_parm)) DECL_NAME (decl_parm) = DECL_NAME (pattern_parm); @@ -11198,6 +11199,12 @@ regenerate_decl_from_template (tree decl, tree tmpl) parm_type = type_decays_to (parm_type); if (!same_type_p (TREE_TYPE (decl_parm), parm_type)) TREE_TYPE (decl_parm) = parm_type; + attributes = DECL_ATTRIBUTES (pattern_parm); + if (DECL_ATTRIBUTES (decl_parm) != attributes) + { + DECL_ATTRIBUTES (decl_parm) = attributes; + cplus_decl_attributes (&decl_parm, attributes, /*flags=*/0); + } decl_parm = TREE_CHAIN (decl_parm); pattern_parm = TREE_CHAIN (pattern_parm); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index baced9570b4a..e70b4b2c41a5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-04-06 Mark Mitchell + + PR c++/20212 + * g++.dg/warn/Wunused-11.C: New test. + 2005-04-06 Bernd Schmidt * gcc.c-torture/execute/20020720-1.x: Disable on bfin*-*. diff --git a/gcc/testsuite/g++.dg/warn/Wunused-11.C b/gcc/testsuite/g++.dg/warn/Wunused-11.C new file mode 100644 index 000000000000..4a151d24547e --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wunused-11.C @@ -0,0 +1,11 @@ +// PR c++/20212 +// { dg-options "-O2 -Wunused -Wextra" } + +template void f(int); +void g(int i) +{ + f<0>(i); +} +template void f(int i __attribute__((unused)) ) +{} + -- 2.47.3