From 22d4ab2c6312dbf7ff4eff4895269c02be88f341 Mon Sep 17 00:00:00 2001 From: jakub Date: Thu, 22 Sep 2005 16:34:58 +0000 Subject: [PATCH] PR c++/21983 * class.c (find_final_overrider): Move diagnostic about no unique final overrider to... (update_vtable_entry_for_fn): ... here. * g++.dg/warn/pr21983.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104533 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/cp/ChangeLog | 7 +++++++ gcc/cp/class.c | 11 +++++------ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/warn/pr21983.C | 7 +++++++ 4 files changed, 24 insertions(+), 6 deletions(-) create mode 100644 gcc/testsuite/g++.dg/warn/pr21983.C diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 4627b8b..b77388c 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,10 @@ +2005-09-22 Jakub Jelinek + + PR c++/21983 + * class.c (find_final_overrider): Move diagnostic about no unique final + overrider to... + (update_vtable_entry_for_fn): ... here. + 2005-09-21 Mark Mitchell PR c++/23993 diff --git a/gcc/cp/class.c b/gcc/cp/class.c index 7fdeb87..35e7cb9 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -1906,11 +1906,7 @@ find_final_overrider (tree derived, tree binfo, tree fn) /* If there was no winner, issue an error message. */ if (!ffod.candidates || TREE_CHAIN (ffod.candidates)) - { - error ("no unique final overrider for %qD in %qT", fn, - BINFO_TYPE (derived)); - return error_mark_node; - } + return error_mark_node; return ffod.candidates; } @@ -1970,7 +1966,10 @@ update_vtable_entry_for_fn (tree t, tree binfo, tree fn, tree* virtuals, /* Find the final overrider. */ overrider = find_final_overrider (TYPE_BINFO (t), b, target_fn); if (overrider == error_mark_node) - return; + { + error ("no unique final overrider for %qD in %qT", target_fn, t); + return; + } overrider_target = overrider_fn = TREE_PURPOSE (overrider); /* Check for adjusting covariant return types. */ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 24cdbb2..d71ac3c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-09-22 Jakub Jelinek + + PR c++/21983 + * g++.dg/warn/pr21983.C: New test. + 2005-09-21 Mark Mitchell PR c++/23993 diff --git a/gcc/testsuite/g++.dg/warn/pr21983.C b/gcc/testsuite/g++.dg/warn/pr21983.C new file mode 100644 index 0000000..3021c3f --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/pr21983.C @@ -0,0 +1,7 @@ +// PR c++/21983 +// { dg-do compile } + +struct B { virtual void foo () = 0; }; +struct D1 : public virtual B { virtual void foo () {} }; +struct D2 : public virtual B { virtual void foo () {} }; +struct D : public D1, public D2 { }; // { dg-warning "no unique final overrider" } -- 2.7.4