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* [Bug debug/46955] New: Missing DW_AT_const_value from DW_TAG_template_value_parameter @ 2010-12-15 10:19 dodji at gcc dot gnu.org 2010-12-15 10:21 ` [Bug debug/46955] " dodji at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: dodji at gcc dot gnu.org @ 2010-12-15 10:19 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46955 Summary: Missing DW_AT_const_value from DW_TAG_template_value_parameter Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug AssignedTo: unassigned@gcc.gnu.org ReportedBy: dodji@gcc.gnu.org struct S { int f; }; template<int S::*MP> struct T { }; T<&S::f> v; For v's type, I just see: <2><4f>: Abbrev Number: 6 (DW_TAG_template_value_param) <50> DW_AT_name : MP <53> DW_AT_type : <0x58> That is, this parameter has no value. This is because the DWARF emitter doesn't know how to handle the C++ specific PTRMEM_CST node that represenst the argument &S::f at that point. That PTRMEM_CST needs to be folded further into something low level enough for the DWARF emitter to understand, while keeping its OFFSET_TYPE type meaning it's a pointer-to-member constant. This has been first reported in a comment of PR debug/41736, but I am opening this specific bug for it as I think those two bugs are different. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46955] Missing DW_AT_const_value from DW_TAG_template_value_parameter 2010-12-15 10:19 [Bug debug/46955] New: Missing DW_AT_const_value from DW_TAG_template_value_parameter dodji at gcc dot gnu.org @ 2010-12-15 10:21 ` dodji at gcc dot gnu.org 2010-12-16 17:09 ` dodji at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: dodji at gcc dot gnu.org @ 2010-12-15 10:21 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46955 Dodji Seketeli <dodji at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2010.12.15 10:21:25 AssignedTo|unassigned at gcc dot |dodji at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46955] Missing DW_AT_const_value from DW_TAG_template_value_parameter 2010-12-15 10:19 [Bug debug/46955] New: Missing DW_AT_const_value from DW_TAG_template_value_parameter dodji at gcc dot gnu.org 2010-12-15 10:21 ` [Bug debug/46955] " dodji at gcc dot gnu.org @ 2010-12-16 17:09 ` dodji at gcc dot gnu.org 2011-01-11 21:39 ` dodji at gcc dot gnu.org 2011-01-11 23:13 ` dodji at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: dodji at gcc dot gnu.org @ 2010-12-16 17:09 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46955 --- Comment #1 from Dodji Seketeli <dodji at gcc dot gnu.org> 2010-12-16 17:09:21 UTC --- Candidate patch posted to http://gcc.gnu.org/ml/gcc-patches/2010-12/msg01276.html ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46955] Missing DW_AT_const_value from DW_TAG_template_value_parameter 2010-12-15 10:19 [Bug debug/46955] New: Missing DW_AT_const_value from DW_TAG_template_value_parameter dodji at gcc dot gnu.org 2010-12-15 10:21 ` [Bug debug/46955] " dodji at gcc dot gnu.org 2010-12-16 17:09 ` dodji at gcc dot gnu.org @ 2011-01-11 21:39 ` dodji at gcc dot gnu.org 2011-01-11 23:13 ` dodji at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: dodji at gcc dot gnu.org @ 2011-01-11 21:39 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46955 --- Comment #2 from Dodji Seketeli <dodji at gcc dot gnu.org> 2011-01-11 21:20:13 UTC --- Author: dodji Date: Tue Jan 11 21:20:07 2011 New Revision: 168681 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168681 Log: Fix PR debug/46955 gcc/cp/ * cp-lang.c (get_template_innermost_arguments_folded) (get_template_argument_pack_elems_folded) (template_arg_needs_folding, fold_cplus_constants): New static functions. (LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS): Set this hook to get_template_innermost_arguments_folded. (LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS): Set this hook to get_template_argument_pack_elems_folded. gcc/testsuite/ * g++.dg/debug/dwarf2/template-params-8.C: New test. Added: trunk/gcc/testsuite/g++.dg/debug/dwarf2/template-params-8.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/cp-lang.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46955] Missing DW_AT_const_value from DW_TAG_template_value_parameter 2010-12-15 10:19 [Bug debug/46955] New: Missing DW_AT_const_value from DW_TAG_template_value_parameter dodji at gcc dot gnu.org ` (2 preceding siblings ...) 2011-01-11 21:39 ` dodji at gcc dot gnu.org @ 2011-01-11 23:13 ` dodji at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: dodji at gcc dot gnu.org @ 2011-01-11 23:13 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46955 Dodji Seketeli <dodji at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #3 from Dodji Seketeli <dodji at gcc dot gnu.org> 2011-01-11 21:24:07 UTC --- Fixed in trunk (4.6). ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2011-01-11 21:24 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-12-15 10:19 [Bug debug/46955] New: Missing DW_AT_const_value from DW_TAG_template_value_parameter dodji at gcc dot gnu.org 2010-12-15 10:21 ` [Bug debug/46955] " dodji at gcc dot gnu.org 2010-12-16 17:09 ` dodji at gcc dot gnu.org 2011-01-11 21:39 ` dodji at gcc dot gnu.org 2011-01-11 23:13 ` dodji at gcc dot gnu.org
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