[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2024-01-30 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

--- Comment #8 from GCC Commits  ---
The master branch has been updated by Patrick Palka :

https://gcc.gnu.org/g:1a4c47e10e8ba06f04de2d41a040ba1494843a01

commit r14-8634-g1a4c47e10e8ba06f04de2d41a040ba1494843a01
Author: Patrick Palka 
Date:   Tue Jan 30 12:30:32 2024 -0500

c++: add original testcase [PR67898]

The original testcase from this PR (fixed by r14-8291) seems rather
different from the others, so let's add it to the testsuite.

PR c++/67898

gcc/testsuite/ChangeLog:

* g++.dg/cpp0x/temp_default8.C: New test.

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2024-01-19 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

Jason Merrill  changed:

   What|Removed |Added

   Target Milestone|12.0|14.0

--- Comment #7 from Jason Merrill  ---
Apparently I was confused, and my patch was also needed for the original
testcase.

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2024-01-19 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

Jason Merrill  changed:

   What|Removed |Added

 CC||jason at gcc dot gnu.org
 Status|ASSIGNED|RESOLVED
   Target Milestone|--- |12.0
 Resolution|--- |FIXED

--- Comment #6 from Jason Merrill  ---
The original testcase was indeed fixed by the patch for 61355, and Patrick's
unrelated testcase in comment 4 is fixed by my commit just now.  Closing as
fixed in 12, but that only applies to the original testcase.

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2024-01-19 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

--- Comment #5 from GCC Commits  ---
The trunk branch has been updated by Jason Merrill :

https://gcc.gnu.org/g:f1e5bf0d83ee4da81b6317c6d7f1278fe7eaa5a0

commit r14-8291-gf1e5bf0d83ee4da81b6317c6d7f1278fe7eaa5a0
Author: Jason Merrill 
Date:   Wed Jan 17 17:29:33 2024 -0500

c++: alias template argument conversion [PR112632]

We've had a problem with lost conversions to template parameter types for a
while now; looking at this PR, it occurred to me that the problem is really
with alias (and concept) templates, since we do substitution of dependent
arguments into them in a way that we don't for other templates.  And fixing
that specific problem is a lot simpler than adding IMPLICIT_CONV_EXPR
around
all dependent template arguments the way I gave up on for 111357.

The other part of the fix was changing tsubst_expr to actually call
convert_nontype_argument instead of assuming it will eventually happen.

I waffled about stripping the forced conversion when !force_conv
vs. skipping them in iterative_hash_template_arg and
template_args_equal (like we already do for some other conversions) and
decided to go with the former, but that isn't a strong preference if it
turns out to be somehow problematic.

PR c++/112632
PR c++/112594
PR c++/111357
PR c++/104594
PR c++/67898

gcc/cp/ChangeLog:

* cp-tree.h (IMPLICIT_CONV_EXPR_FORCED): New.
* pt.cc (expand_integer_pack): Remove 111357 workaround.
(maybe_convert_nontype_argument): Add force parm.
(convert_template_argument): Handle alias template args
specially.
(tsubst_expr): Don't ignore IMPLICIT_CONV_EXPR_NONTYPE_ARG.
* error.cc (dump_expr) [CASE_CONVERT]: Handle null optype.

gcc/testsuite/ChangeLog:

* g++.dg/cpp0x/alias-decl-nontype1.C: New test.
* g++.dg/cpp2a/concepts-narrowing1.C: New test.
* g++.dg/cpp2a/nontype-class63.C: New test.
* g++.dg/cpp2a/nontype-class63a.C: New test.

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2022-04-06 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

--- Comment #4 from Patrick Palka  ---
Related rejects-valid C++11 testcase:

template struct A;
template using B = A;

using type = A;
using type = B;// incorrectly resolves to A
 // instead of A

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2021-10-11 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

Patrick Palka  changed:

   What|Removed |Added

   Assignee|unassigned at gcc dot gnu.org  |ppalka at gcc dot 
gnu.org
 Status|NEW |ASSIGNED
 CC||ppalka at gcc dot gnu.org

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2021-10-07 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898
Bug 67898 depends on bug 61355, which changed state.

Bug 61355 Summary: gcc doesn't normalize type in non-type template parameters
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61355

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2021-08-11 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

Andrew Pinski  changed:

   What|Removed |Added

 Depends on||61355

--- Comment #3 from Andrew Pinski  ---
I suspect when PR 61355 is fixed, this one will be fixed but not 100% sure.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61355
[Bug 61355] gcc doesn't normalize type in non-type template parameters

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2019-06-20 Thread richard-gccbugzilla at metafoo dot co.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

--- Comment #2 from Richard Smith  ---
(Clang trunk now accepts both testcases.)

[Bug c++/67898] rejects-valid on overloaded function as non-type template argument of dependent type

2019-06-18 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67898

Marek Polacek  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2019-06-18
 CC||mpolacek at gcc dot gnu.org
 Ever confirmed|0   |1

--- Comment #1 from Marek Polacek  ---
Confirmed.  clang 7 rejects it; newer clangs crash.  icc accepts.