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* [Bug c/111862] New: GCC: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in c_parser_omp_clause_reduction, at c/c-parser.cc:16234
@ 2023-10-18 9:21 141242068 at smail dot nju.edu.cn
2023-10-18 19:02 ` [Bug c/111862] " pinskia at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: 141242068 at smail dot nju.edu.cn @ 2023-10-18 9:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111862
Bug ID: 111862
Summary: GCC: internal compiler error: tree check: expected
class 'type', have 'exceptional' (error_mark) in
c_parser_omp_clause_reduction, at c/c-parser.cc:16234
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: ---
The bug triggering program, compile it with option `-O1 -fopenmp-simd`, gcc
crashes:
```
union S {};
void baz (void *);
int const_1 = 0;
void f (void)
{
struct S s;
int i;
#pragma omp taskloop simd reduction(+:s)
for (i = const_1; i < 1; i++)
baz (&s);
}
```
Compiler Explorer: https://godbolt.org/z/361KvMv41
This bug seems similar to #110500, maybe it was not fully fixed in #110500?
Stack dump:
```
<source>: In function 'f':
<source>:7:10: error: 'S' defined as wrong kind of tag
7 | struct S s;
| ^
<source>:7:12: error: storage size of 's' isn't known
7 | struct S s;
| ^
<source>:9:11: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in c_parser_omp_clause_reduction, at
c/c-parser.cc:16234
9 | #pragma omp taskloop simd reduction(+:s)
| ^~~
0x231210e internal_error(char const*, ...)
???:0
0x8a8b5c tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
???:0
0xaa6d8d c_parse_file()
???:0
0xb1a0c9 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.
```
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug c/111862] GCC: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in c_parser_omp_clause_reduction, at c/c-parser.cc:16234
2023-10-18 9:21 [Bug c/111862] New: GCC: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in c_parser_omp_clause_reduction, at c/c-parser.cc:16234 141242068 at smail dot nju.edu.cn
@ 2023-10-18 19:02 ` pinskia at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-10-18 19:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111862
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|UNCONFIRMED |RESOLVED
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Dup of bug 110500 (which was not fixed yet; just a patch was posted to the bug
report for someone to finish up).
*** This bug has been marked as a duplicate of bug 110500 ***
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-10-18 9:21 [Bug c/111862] New: GCC: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in c_parser_omp_clause_reduction, at c/c-parser.cc:16234 141242068 at smail dot nju.edu.cn
2023-10-18 19:02 ` [Bug c/111862] " pinskia at gcc dot gnu.org
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