https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110693
Bug ID: 110693
Summary: internal compiler error: Segmentation fault
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: 141242068 at smail dot nju.edu.cn
Target Milestone: ---
When compiling below program using gcc-14 with option `gcc-14 a.c`, gcc-14
crashes:
```
char global;
void bar (void);
void __GIMPLE (ssa)
foo (char * p)
{
__BB(2):
if (p_2(D) == _Literal (char *)&global[2])
goto __BB3;
else
goto __BB4;
__BB(3):
bar ();
goto __BB4;
__BB(4):
return;
}
```
GCC's output is pasted below:
```
<source>:5:6: error: '__GIMPLE' only valid with '-fgimple'
5 | void __GIMPLE (ssa)
| ^~~~~~~~
<source>: In function 'foo':
<source>:9:41: error: subscripted value is neither array nor pointer nor vector
9 | if (p_2(D) == _Literal (char *)&global[2])
| ^
<source>:9:44: error: invalid _Literal before ')' token
9 | if (p_2(D) == _Literal (char *)&global[2])
| ^
<source>:20:1: internal compiler error: Segmentation fault
20 | }
| ^
0x2150dee internal_error(char const*, ...)
???:0
0xb510f3 unchecked_make_edge(basic_block_def*, basic_block_def*, int)
???:0
0xa7d754 c_parser_parse_gimple_body(c_parser*, char*, c_declspec_il,
profile_count)
???:0
0xa7477d c_parse_file()
???:0
0xae3e59 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.
```
This can be verified by visiting the Compiler Explorer:
https://gcc.godbolt.org/z/To9vMd4z5
