[Bug gdb/25407] New: Abort with failed assertion on TUI assembly layout

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[Bug gdb/25407] New: Abort with failed assertion on TUI assembly layout

yangyibiao at hust dot edu.cn
https://sourceware.org/bugzilla/show_bug.cgi?id=25407

            Bug ID: 25407
           Summary: Abort with failed assertion on TUI assembly layout
           Product: gdb
           Version: 8.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: byron.c.hawkins at gmail dot com
  Target Milestone: ---

Steps to reproduce:

    > gdb ls
    > br main
    > r
    [at breakpoint]
    > foc cmd
    > lay asm
    > si

Result:

/usr/include/c++/9/bits/stl_vector.h:1060: std::vector<_Tp,
_Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp,
_Alloc>::size_type) const [with _Tp = tui_source_element; _Alloc =
std::allocator<tui_source_element>; std::vector<_Tp, _Alloc>::const_reference =
const tui_source_element&; std::vector<_Tp, _Alloc>::size_type = long unsigned
int]: Assertion '__builtin_expect(__n < this->size(), true)' failed.

Environment:

    > gdb --version
      GNU gdb (GDB) Fedora 8.3.50.20190824-26.fc31

    > uname -a
      Linux nickel.localhost 5.3.13-300.fc31.x86_64 #1 SMP Mon Nov 25 17:25:25
UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

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[Bug gdb/25407] Abort with failed assertion on TUI assembly layout

yangyibiao at hust dot edu.cn
https://sourceware.org/bugzilla/show_bug.cgi?id=25407

--- Comment #1 from Byron Hawkins <byron.c.hawkins at gmail dot com> ---
Tested on two machines:

1. Intel i5-6300U
2. Intel J5005

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