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From: "bence.kodaj at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/95951] New: ICE in extract_call_expr, at cp/call.c:6614
Date: Sun, 28 Jun 2020 21:33:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95951

            Bug ID: 95951
           Summary: ICE in extract_call_expr, at cp/call.c:6614
           Product: gcc
           Version: 10.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: bence.kodaj at gmail dot com
  Target Milestone: ---

The following code causes an ICE in extract_call_expr, at cp/call.c:6614:

----------------------
#include <array>

template< std::size_t N >
struct StrLiteral
{
    const std::array< char, N > _str;

    consteval StrLiteral( const char ( &a )[ N ] )
    : _str{ std::to_array( a ) }
    {}

    consteval auto operator =3D=3D ( const StrLiteral & other ) const { ret=
urn _str
=3D=3D other._str; }
};


const auto e =3D StrLiteral( "a" ) =3D=3D StrLiteral( "b" );
----------------------

Godbolt URL: https://godbolt.org/z/VaKHKh

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