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* [Bug c++/111222] New: ICE on basic_string_view with missing template argument
@ 2023-08-29 6:01 stevenxia990430 at gmail dot com
2023-08-29 6:06 ` [Bug c++/111222] ICE on basic_string_view and alias templates " pinskia at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: stevenxia990430 at gmail dot com @ 2023-08-29 6:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111222
Bug ID: 111222
Summary: ICE on basic_string_view with missing template
argument
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: stevenxia990430 at gmail dot com
Target Milestone: ---
The following invalid program reports an internal compiler error. Failed on
gcc-trunk.
To quickly reproduce: https://gcc.godbolt.org/z/To8EdvdhM
```
#include <string_view>
template <typename T>
using string_view = std::basic_string_view<T>;
string_view my_string = "12345";
```
note after providing the valid declaration (i.e., string_view<char> my_string =
"12345";) the program compiles successfully
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/111222] ICE on basic_string_view and alias templates with missing template argument
2023-08-29 6:01 [Bug c++/111222] New: ICE on basic_string_view with missing template argument stevenxia990430 at gmail dot com
@ 2023-08-29 6:06 ` pinskia at gcc dot gnu.org
2023-08-29 6:08 ` stevenxia990430 at gmail dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-08-29 6:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111222
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |accepts-invalid
Summary|[c++23] ICE on |ICE on basic_string_view
|basic_string_view with |and alias templates with
|missing template argument |missing template argument
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Hmm, we have an accepts invalid here too. For C++20 we accept it but deduction
for alias templates is not valid ...
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/111222] ICE on basic_string_view and alias templates with missing template argument
2023-08-29 6:01 [Bug c++/111222] New: ICE on basic_string_view with missing template argument stevenxia990430 at gmail dot com
2023-08-29 6:06 ` [Bug c++/111222] ICE on basic_string_view and alias templates " pinskia at gcc dot gnu.org
@ 2023-08-29 6:08 ` stevenxia990430 at gmail dot com
2023-10-13 18:44 ` mpolacek at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: stevenxia990430 at gmail dot com @ 2023-08-29 6:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111222
--- Comment #2 from Steven Xia <stevenxia990430 at gmail dot com> ---
interesting
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/111222] ICE on basic_string_view and alias templates with missing template argument
2023-08-29 6:01 [Bug c++/111222] New: ICE on basic_string_view with missing template argument stevenxia990430 at gmail dot com
2023-08-29 6:06 ` [Bug c++/111222] ICE on basic_string_view and alias templates " pinskia at gcc dot gnu.org
2023-08-29 6:08 ` stevenxia990430 at gmail dot com
@ 2023-10-13 18:44 ` mpolacek at gcc dot gnu.org
2023-10-13 18:51 ` ppalka at gcc dot gnu.org
2024-02-02 17:59 ` ppalka at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2023-10-13 18:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111222
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2023-10-13
Ever confirmed|0 |1
CC| |mpolacek at gcc dot gnu.org,
| |ppalka at gcc dot gnu.org
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I think the ICE below started with r11-3261.
In file included from 111222.C:1:
/home/mpolacek/x/gcc11/x86_64-pc-linux-gnu/libstdc++-v3/include/string_view:158:16:
internal compiler error: in add_outermost_template_args, at cp/pt.c:601
158 | && (!requires (_DRange& __d) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~
159 | __d.operator ::std::basic_string_view<_CharT,
_Traits>();
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
160 | })
| ~
0xd52027 add_outermost_template_args(tree_node*, tree_node*)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:601
0xd8838e add_extra_args(tree_node*, tree_node*, int, tree_node*)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:13103
0xb1d061 tsubst_requires_expr
/home/mpolacek/src/gcc11/gcc/cp/constraint.cc:2310
0xb1d30c tsubst_requires_expr(tree_node*, tree_node*, int, tree_node*)
/home/mpolacek/src/gcc11/gcc/cp/constraint.cc:2353
0xdb6406 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:21116
0xdb09af tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:20035
0xdb0c91 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:20102
0xdb0c57 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:20101
0xdadc55 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:19382
0xb1e33e tsubst_constraint(tree_node*, tree_node*, int, tree_node*)
/home/mpolacek/src/gcc11/gcc/cp/constraint.cc:2761
0xb1d390 tsubst_constraint_info(tree_node*, tree_node*, int, tree_node*)
/home/mpolacek/src/gcc11/gcc/cp/constraint.cc:2366
0xdd8ae3 alias_ctad_tweaks
/home/mpolacek/src/gcc11/gcc/cp/pt.c:29355
0xdd93f8 deduction_guides_for
/home/mpolacek/src/gcc11/gcc/cp/pt.c:29488
0xdd9efe do_class_deduction
/home/mpolacek/src/gcc11/gcc/cp/pt.c:29611
0xddae07 do_auto_deduction(tree_node*, tree_node*, tree_node*, int,
auto_deduction_context, tree_node*, int)
/home/mpolacek/src/gcc11/gcc/cp/pt.c:29781
0xb91d12 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
/home/mpolacek/src/gcc11/gcc/cp/decl.c:7899
0xd05934 cp_parser_init_declarator
/home/mpolacek/src/gcc11/gcc/cp/parser.c:21931
0xcf750b cp_parser_simple_declaration
/home/mpolacek/src/gcc11/gcc/cp/parser.c:14476
0xcf70c7 cp_parser_block_declaration
/home/mpolacek/src/gcc11/gcc/cp/parser.c:14302
0xcf6d80 cp_parser_declaration
/home/mpolacek/src/gcc11/gcc/cp/parser.c:14173
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/111222] ICE on basic_string_view and alias templates with missing template argument
2023-08-29 6:01 [Bug c++/111222] New: ICE on basic_string_view with missing template argument stevenxia990430 at gmail dot com
` (2 preceding siblings ...)
2023-10-13 18:44 ` mpolacek at gcc dot gnu.org
@ 2023-10-13 18:51 ` ppalka at gcc dot gnu.org
2024-02-02 17:59 ` ppalka at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ppalka at gcc dot gnu.org @ 2023-10-13 18:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111222
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |ppalka at gcc dot gnu.org
Status|NEW |ASSIGNED
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/111222] ICE on basic_string_view and alias templates with missing template argument
2023-08-29 6:01 [Bug c++/111222] New: ICE on basic_string_view with missing template argument stevenxia990430 at gmail dot com
` (3 preceding siblings ...)
2023-10-13 18:51 ` ppalka at gcc dot gnu.org
@ 2024-02-02 17:59 ` ppalka at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ppalka at gcc dot gnu.org @ 2024-02-02 17:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111222
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
See Also|https://gcc.gnu.org/bugzill |
|a/show_bug.cgi?id=112769 |
Status|ASSIGNED |RESOLVED
--- Comment #4 from Patrick Palka <ppalka at gcc dot gnu.org> ---
The underlying bug is the same as PR112769 which is a regression, so let's call
this one a dup.
*** This bug has been marked as a duplicate of bug 112769 ***
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2024-02-02 17:59 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2023-08-29 6:01 [Bug c++/111222] New: ICE on basic_string_view with missing template argument stevenxia990430 at gmail dot com
2023-08-29 6:06 ` [Bug c++/111222] ICE on basic_string_view and alias templates " pinskia at gcc dot gnu.org
2023-08-29 6:08 ` stevenxia990430 at gmail dot com
2023-10-13 18:44 ` mpolacek at gcc dot gnu.org
2023-10-13 18:51 ` ppalka at gcc dot gnu.org
2024-02-02 17:59 ` ppalka at gcc dot gnu.org
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