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From: "hans.buchmann.wantuch at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/113620] New: Specialized Template
Date: Fri, 26 Jan 2024 15:10:08 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 13.2.1
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X-Bugzilla-Who: hans.buchmann.wantuch at gmail dot com
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113620

            Bug ID: 113620
           Summary: Specialized Template
           Product: gcc
           Version: 13.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hans.buchmann.wantuch at gmail dot com
  Target Milestone: ---

Created attachment 57225
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D57225&action=3Dedit
Bug report generated with: -freport-bug

Compiling the code bug-1.cc

------8<------8<------8<------8<------
class CRC
{
 public:
  template<typename T>
  struct Def
  {
   using TYP=3DT;
   static const TYP INIT=3D0;
  };

  enum Method {MSB_FIRST,LSB_FIRST};

  template<Method M,typename DEF>
  class BIT{};

  template<typename DEF>
  struct BIT<MSB_FIRST,DEF>
  {
    DEF::TYP r=3DDEF::INIT;
  };
};

int main(int argc,char** args)
{
 CRC::BIT<CRC::MSB_FIRST,CRC::Def<unsigned short>> crc;
 return 0;
}
------8<------8<------8<------8<------

compiling with:

g++ -freport-bug -std=3Dc++2a -c -o bug-1.o bug-1.cc

results in the following output:

see attached bug-report.txt

Sincerely

Hans Buchmann=