[Bug c++/93898] New: internal compiler error: in output_constructor_regular_field

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93898

            Bug ID: 93898
           Summary: internal compiler error: in
                    output_constructor_regular_field
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mpolacek at gcc dot gnu.org
  Target Milestone: ---

struct empty { };

struct foo
{
  [[no_unique_address]]
  empty x;

  constexpr
  foo() : x{}
  { }
};

struct bar : foo
{
  using foo::foo;
  int i;
  constexpr bar() : i{1} {}
};

constexpr bar a{};

$ ./cc1plus -quiet x.C
x.C:20:18: internal compiler error: in output_constructor_regular_field, at
varasm.c:5230
   20 | constexpr bar a{};
      |                  ^
0x1a28da5 output_constructor_regular_field
        /home/mpolacek/src/gcc/gcc/varasm.c:5230
0x1a29cbe output_constructor
        /home/mpolacek/src/gcc/gcc/varasm.c:5536
0x1a28617 output_constant
        /home/mpolacek/src/gcc/gcc/varasm.c:5065
0x1a1e192 assemble_variable_contents
        /home/mpolacek/src/gcc/gcc/varasm.c:2148
0x1a1ec30 assemble_variable(tree_node*, int, int, int)
        /home/mpolacek/src/gcc/gcc/varasm.c:2327
0x1a3967c varpool_node::assemble_decl()
        /home/mpolacek/src/gcc/gcc/varpool.c:587
0xe7a4fc output_in_order
        /home/mpolacek/src/gcc/gcc/cgraphunit.c:2564
0xe7ab82 symbol_table::compile()
        /home/mpolacek/src/gcc/gcc/cgraphunit.c:2801
0xe7afd0 symbol_table::finalize_compilation_unit()
        /home/mpolacek/src/gcc/gcc/cgraphunit.c:2984


Started with r9-5710-g7e574f68fa82e7c5f879fd468291ec8b5ebecc83