https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127041
Bug ID: 127041
Summary: ICE in cp_lexer_handle_early_pragma with malformed
_Pragma
Product: gcc
Version: 17.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: s.kimura.h41104 at gmail dot com
Target Milestone: ---
Compiler Explorer: https://godbolt.org/z/68xfdzb76
Reproducer:
```
_Pragma _Pragma("GCC diagnostic")
```
Backtrace:
<source>:1:33: error: '_Pragma' takes a parenthesized string literal
1 | _Pragma _Pragma("GCC diagnostic")
| ^
<source>:1:1: internal compiler error: in cp_lexer_handle_early_pragma, at
cp/parser.cc:736
1 | _Pragma _Pragma("GCC diagnostic")
| ^~~~~~~
0x2bebac8 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
???:0
0x2be070b internal_error(char const*, ...)
???:0
0xb488c0 fancy_abort(char const*, int, char const*)
???:0
0xf32839 c_common_parse_file()
???:0
This ICE goes back to gcc-13:
https://godbolt.org/z/K5sMjEPah
