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* [Bug c++/110552] New: ICE on valid code in maybe_instantiate_noexcept
@ 2023-07-04 18:07 eric.niebler at gmail dot com
  2023-07-04 18:49 ` [Bug c++/110552] " pinskia at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: eric.niebler at gmail dot com @ 2023-07-04 18:07 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110552

            Bug ID: 110552
           Summary: ICE on valid code in maybe_instantiate_noexcept
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: eric.niebler at gmail dot com
  Target Milestone: ---

Created attachment 55469
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55469&action=edit
self-contained source file

Compile the attached source with -std=c++20. Result:

/home/eniebler/hello_world.cpp: In substitution of ‘template<class
_EnvProvider>  requires  tag_invocable<stdexec::__env::get_env_t, const
_EnvProvider&> constexpr
stdexec::__tag_invoke::tag_invoke_result_t<stdexec::__env::get_env_t, const
_EnvProvider&> stdexec::__env::get_env_t::operator()(const _EnvProvider&) const
[with _EnvProvider = stdexec::__basic_sender<<lambda(_Data, _Children
...)>::<lambda(_Cvref, _Fun&&)> >]’:
/home/eniebler/hello_world.cpp:2221:16:   required from here
/home/eniebler/hello_world.cpp:1465:59: internal compiler error: in
maybe_instantiate_noexcept, at cp/pt.cc:26753
 1465 |       requires(_Tag __tag, _Args&&... __args) { tag_invoke((_Tag&&)
__tag, (_Args&&) __args...); };
      |                                                
~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0xace10a maybe_instantiate_noexcept(tree_node*, int)
        ../../gcc/cp/pt.cc:26753
0x96272f mark_used(tree_node*, int)
        ../../gcc/cp/decl2.cc:5720
0x864a35 build_over_call
        ../../gcc/cp/call.cc:10394
0x867e0b build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
        ../../gcc/cp/call.cc:5038
0xb304ff finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
        ../../gcc/cp/semantics.cc:2924
0xacc4e5 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.cc:21338
0xabb964 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.cc:19888
0x8c3193 tsubst_valid_expression_requirement
        ../../gcc/cp/constraint.cc:2002
0x8cc3c0 tsubst_simple_requirement
        ../../gcc/cp/constraint.cc:2036
0x8cc3c0 tsubst_requirement
        ../../gcc/cp/constraint.cc:2233
0x8cc3c0 tsubst_requires_expr
        ../../gcc/cp/constraint.cc:2363
0x8cc8aa tsubst_requires_expr(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/constraint.cc:2382
0xac96c7 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.cc:21749
0xabb964 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.cc:19888
0x8cde63 satisfy_atom
        ../../gcc/cp/constraint.cc:3041
0x8cde63 satisfy_constraint_r
        ../../gcc/cp/constraint.cc:3106
0x8ce723 satisfy_normalized_constraints
        ../../gcc/cp/constraint.cc:3131
0x8caefd satisfy_declaration_constraints
        ../../gcc/cp/constraint.cc:3352
0x8caefd constraint_satisfaction_value
        ../../gcc/cp/constraint.cc:3373
0x8ce78f constraints_satisfied_p(tree_node*, tree_node*)
        ../../gcc/cp/constraint.cc:3410
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.


See https://godbolt.org/z/1511TYvch for a demo of the bug on compiler explorer.

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2024-04-13  8:25 UTC | newest]

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-- links below jump to the message on this page --
2023-07-04 18:07 [Bug c++/110552] New: ICE on valid code in maybe_instantiate_noexcept eric.niebler at gmail dot com
2023-07-04 18:49 ` [Bug c++/110552] " pinskia at gcc dot gnu.org
2023-07-04 21:13 ` pinskia at gcc dot gnu.org
2023-07-04 21:28 ` pinskia at gcc dot gnu.org
2023-07-04 21:30 ` pinskia at gcc dot gnu.org
2023-07-04 21:30 ` pinskia at gcc dot gnu.org
2023-07-04 21:36 ` pinskia at gcc dot gnu.org
2024-04-13  8:25 ` pinskia at gcc dot gnu.org

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