[Bug c++/90825] [9/10 Regression] g++: internal compiler error: Segmentation fault signal terminated program cc1plus

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90825

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-06-10
                 CC|                            |mpolacek at gcc dot gnu.org
   Target Milestone|---                         |9.2
            Summary|g++: internal compiler      |[9/10 Regression] g++:
                   |error: Segmentation fault   |internal compiler error:
                   |signal terminated program   |Segmentation fault signal
                   |cc1plus                     |terminated program cc1plus
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r269078.

Part of the backtrace:

#592 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f2e0>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#593 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f2c0>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#594 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f2a0>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#595 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f280>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#596 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f260>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#597 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f240>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#598 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f220>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#599 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f200>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#600 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f1e0>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#601 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f1c0>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#602 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f1a0>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#603 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f180>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#604 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f160>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#605 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f140>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#606 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f120>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811
#607 0x00000000008c8b41 in cxx_eval_constant_expression (ctx=0x7fffffffb650, 
    t=<sizeof_expr 0x7fffea42f100>, lval=false, non_constant_p=0x7fffffffc01f,
overflow_p=0x7fffffffc01e, 
    jump_target=0x0) at /home/mpolacek/src/gcc/gcc/cp/constexpr.c:4811