[Bug c++/79205] New: ICE in create_tmp_var, at gimple-expr.c:473

["krister.walfridsson at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79205

            Bug ID: 79205
           Summary: ICE in create_tmp_var, at gimple-expr.c:473
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: krister.walfridsson at gmail dot com
  Target Milestone: ---

gcc version 7.0.1 20170124 (r244846) ICEs when compiling the following (using
the command line "g++ -c -std=c++1z bug.cpp")

#include <tuple>

int foo(std::tuple<int> t)
{
  auto [x0] = t;
  return x0;
}