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* [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function @ 2011-09-22 23:29 jyasskin at gcc dot gnu.org 2011-09-22 23:40 ` [Bug c++/50491] " jyasskin at gcc dot gnu.org ` (6 more replies) 0 siblings, 7 replies; 8+ messages in thread From: jyasskin at gcc dot gnu.org @ 2011-09-22 23:29 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 Bug #: 50491 Summary: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: jyasskin@gcc.gnu.org CC: aaw@google.com $ cat test.ii struct GrandParent { void *get(); }; template<class OBJ> struct Parent : public GrandParent{ }; template<typename T> struct Child : public Parent<T> { using GrandParent::get; void Foo() { void* ex = get(); } }; $ clang++ -std=gnu++0x -fsyntax-only test.ii $ g++-4.6 --version g++-4.6 (GCC) 4.6.1 $ g++-4.6 -std=gnu++0x -fsyntax-only test.ii test.ii: In member function 'void Child<T>::Foo()': test.ii:13:20: sorry, unimplemented: unexpected ast of kind using_decl test.ii:13: confused by earlier errors, bailing out $ g++-4.7svn --version g++-4.7svn (GCC) 4.7.0 20110911 (experimental) $ g++-4.7svn -std=gnu++0x -fsyntax-only test.ii test.ii: In member function ‘void Child<T>::Foo()’: test.ii:13:20: sorry, unimplemented: unexpected ast of kind using_decl test.ii:13:20: internal compiler error: in potential_constant_expression_1, at cp/semantics.c:8226 If I change the "get()" line to "(void)get();", g++-4.6.1 succeeds, but g++-4.7 still fails with the same error. Making GrandParent non-dependent by passing a concrete type to Parent<> makes both versions succeed. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/50491] [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org @ 2011-09-22 23:40 ` jyasskin at gcc dot gnu.org 2011-09-22 23:52 ` [Bug c++/50491] [C++0x] [4.6/4.7 Regression] " paolo.carlini at oracle dot com ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: jyasskin at gcc dot gnu.org @ 2011-09-22 23:40 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 --- Comment #1 from Jeffrey Yasskin <jyasskin at gcc dot gnu.org> 2011-09-22 23:14:35 UTC --- Both g++ versions also succeed when passed -std=c++98. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/50491] [C++0x] [4.6/4.7 Regression] "unexpected ast of kind using_decl" on call to using'ed grandparent member function 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org 2011-09-22 23:40 ` [Bug c++/50491] " jyasskin at gcc dot gnu.org @ 2011-09-22 23:52 ` paolo.carlini at oracle dot com 2011-09-23 0:01 ` paolo.carlini at oracle dot com ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: paolo.carlini at oracle dot com @ 2011-09-22 23:52 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2011-09-22 Summary|[C++0x] "unexpected ast of |[C++0x] [4.6/4.7 |kind using_decl" on call to |Regression] "unexpected ast |using'ed grandparent member |of kind using_decl" on call |function |to using'ed grandparent | |member function Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/50491] [C++0x] [4.6/4.7 Regression] "unexpected ast of kind using_decl" on call to using'ed grandparent member function 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org 2011-09-22 23:40 ` [Bug c++/50491] " jyasskin at gcc dot gnu.org 2011-09-22 23:52 ` [Bug c++/50491] [C++0x] [4.6/4.7 Regression] " paolo.carlini at oracle dot com @ 2011-09-23 0:01 ` paolo.carlini at oracle dot com 2011-09-23 0:55 ` redi at gcc dot gnu.org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: paolo.carlini at oracle dot com @ 2011-09-23 0:01 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |paolo.carlini at oracle dot |gnu.org |com --- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-09-22 23:39:46 UTC --- Yes. Luckily the issue seems easy to fix. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/50491] [C++0x] [4.6/4.7 Regression] "unexpected ast of kind using_decl" on call to using'ed grandparent member function 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org ` (2 preceding siblings ...) 2011-09-23 0:01 ` paolo.carlini at oracle dot com @ 2011-09-23 0:55 ` redi at gcc dot gnu.org 2011-09-23 0:57 ` paolo at gcc dot gnu.org ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: redi at gcc dot gnu.org @ 2011-09-23 0:55 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-09-22 23:52:15 UTC --- This fixes the ICE but I don't know if it's correct and haven't run the testsuite: Index: semantics.c =================================================================== --- semantics.c (revision 178930) +++ semantics.c (working copy) @@ -7751,6 +7751,7 @@ /* We can see a FIELD_DECL in a pointer-to-member expression. */ case FIELD_DECL: case PARM_DECL: + case USING_DECL: return true; case AGGR_INIT_EXPR: ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/50491] [C++0x] [4.6/4.7 Regression] "unexpected ast of kind using_decl" on call to using'ed grandparent member function 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org ` (3 preceding siblings ...) 2011-09-23 0:55 ` redi at gcc dot gnu.org @ 2011-09-23 0:57 ` paolo at gcc dot gnu.org 2011-09-23 3:48 ` paolo at gcc dot gnu.org 2011-09-23 6:12 ` paolo.carlini at oracle dot com 6 siblings, 0 replies; 8+ messages in thread From: paolo at gcc dot gnu.org @ 2011-09-23 0:57 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 --- Comment #4 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-09-23 00:54:38 UTC --- Author: paolo Date: Fri Sep 23 00:54:32 2011 New Revision: 179109 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179109 Log: /cp 2011-09-22 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50491 * semantics.c (potential_constant_expression_1): Handle USING_DECL. /testsuite 2011-09-22 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50491 * g++.dg/cpp0x/pr50491.C: New. Added: trunk/gcc/testsuite/g++.dg/cpp0x/pr50491.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/semantics.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/50491] [C++0x] [4.6/4.7 Regression] "unexpected ast of kind using_decl" on call to using'ed grandparent member function 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org ` (4 preceding siblings ...) 2011-09-23 0:57 ` paolo at gcc dot gnu.org @ 2011-09-23 3:48 ` paolo at gcc dot gnu.org 2011-09-23 6:12 ` paolo.carlini at oracle dot com 6 siblings, 0 replies; 8+ messages in thread From: paolo at gcc dot gnu.org @ 2011-09-23 3:48 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 --- Comment #5 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-09-23 00:55:20 UTC --- Author: paolo Date: Fri Sep 23 00:55:16 2011 New Revision: 179110 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179110 Log: /cp 2011-09-22 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50491 * semantics.c (potential_constant_expression_1): Handle USING_DECL. /testsuite 2011-09-22 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50491 * g++.dg/cpp0x/pr50491.C: New. Added: branches/gcc-4_6-branch/gcc/testsuite/g++.dg/cpp0x/pr50491.C Modified: branches/gcc-4_6-branch/gcc/cp/ChangeLog branches/gcc-4_6-branch/gcc/cp/semantics.c branches/gcc-4_6-branch/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/50491] [C++0x] [4.6/4.7 Regression] "unexpected ast of kind using_decl" on call to using'ed grandparent member function 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org ` (5 preceding siblings ...) 2011-09-23 3:48 ` paolo at gcc dot gnu.org @ 2011-09-23 6:12 ` paolo.carlini at oracle dot com 6 siblings, 0 replies; 8+ messages in thread From: paolo.carlini at oracle dot com @ 2011-09-23 6:12 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50491 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.6.2 --- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-09-23 00:56:34 UTC --- Fixed mainline and 4.6.2. ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2011-09-23 0:57 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-09-22 23:29 [Bug c++/50491] New: [C++0x] "unexpected ast of kind using_decl" on call to using'ed grandparent member function jyasskin at gcc dot gnu.org 2011-09-22 23:40 ` [Bug c++/50491] " jyasskin at gcc dot gnu.org 2011-09-22 23:52 ` [Bug c++/50491] [C++0x] [4.6/4.7 Regression] " paolo.carlini at oracle dot com 2011-09-23 0:01 ` paolo.carlini at oracle dot com 2011-09-23 0:55 ` redi at gcc dot gnu.org 2011-09-23 0:57 ` paolo at gcc dot gnu.org 2011-09-23 3:48 ` paolo at gcc dot gnu.org 2011-09-23 6:12 ` paolo.carlini at oracle dot com
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