[Bug c++/123400] New: tree check: expected string_cst, have error_mark in handle_pragma_message, at c-family/c-pragma.cc in handle_pragma_message

[522024330006 at smail dot nju.edu.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123400

            Bug ID: 123400
           Summary: tree check: expected string_cst, have error_mark in
                    handle_pragma_message, at c-family/c-pragma.cc in
                    handle_pragma_message
           Product: gcc
           Version: 15.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: 522024330006 at smail dot nju.edu.cn
  Target Milestone: ---

Reproducer: https://godbolt.org/z/3G8hx66T3

Program:
```c
#pragma message "Debug: Vector created with values
("__FILE__":"STRINGIFY(__LINE__)")"
```

Part of the traceback:
```
internal compiler error: tree check: expected string_cst, have error_mark in
handle_pragma_message, at c-family/c-pragma.cc:1368
0x29186f8 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
        ???:0
0x290d4bb internal_error(char const*, ...)
        ???:0
0xa17731 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
        ???:0
0xd53dd6 c_parse_file()
        ???:0
0xec5469 c_common_parse_file()
        ???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
```