https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120539
Bug ID: 120539
Summary: Segmentation fault raw using friend since 11.3
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: mario.rodriguezb1 at um dot es
Target Milestone: ---
It only gives Segmentation Fault, not ICE:
## Program
```
#include <iostream>
#include <vector>
class User
{
public:
std::vector<std::string> friends;
friend std::ostream &operator<<(std::ostream &os, const User &user) {
for (const auto &friend : user.friends){
int i = 0;
}
}
};
```
## Stack dump
```
<source>:8:24: error: 'friend' used outside of class
8 | for (const auto &friend : user.friends){
| ^~~~~~
| ------
Segmentation fault
0x282a0a5 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x284b7e6 internal_error(char const*, ...)
???:0
0x28785d3 pretty_printer::format(text_info&)
???:0
0x2829be6 diagnostic_context::report_diagnostic(diagnostic_info*)
???:0
0x282a0a5 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x284ae56 error(char const*, ...)
???:0
0xd02d73 c_parse_file()
???:0
0xe6aad9 c_common_parse_file()
???:0
```
To quickly reproduce:
https://godbolt.org/z/3f84cP1xb
