[Bug c++/85092] New: ICE under -std=gnu++1z in build_over_call under, at cp/call.c:8149

[rimvydas.jas at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85092

            Bug ID: 85092
           Summary: ICE under -std=gnu++1z in build_over_call under, at
                    cp/call.c:8149
           Product: gcc
           Version: 8.0.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rimvydas.jas at gmail dot com
  Target Milestone: ---

Recent regression.

$ cat citra.cpp 
#include <string>

struct Part {
    Part(const std::int32_t& value) : value{std::to_string(value)} {}
    std::string value;
};
$ /opt/gcc/20180327/bin/g++ citra.cpp -std=gnu++1z
citra.cpp: In constructor ‘Part::Part(const int32_t&)’:
citra.cpp:4:66: internal compiler error: in build_over_call, at cp/call.c:8149
     Part(const std::int32_t& value) : value{std::to_string(value)} {}