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* [Bug tree-optimization/114259] New: [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85
@ 2024-03-06 18:14 patrick at rivosinc dot com
2024-03-06 18:21 ` [Bug tree-optimization/114259] " sjames at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: patrick at rivosinc dot com @ 2024-03-06 18:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114259
Bug ID: 114259
Summary: [14 Regression] ICE during GIMPLE pass: slp: internal
compiler error: tree check: expected class 'type',
have 'exceptional' (error_mark) in
useless_type_conversion_p, at gimple-expr.cc:85
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: patrick at rivosinc dot com
Target Milestone: ---
Created attachment 57637
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57637&action=edit
-freport-bug output
Testcase:
Testcase:
long h;
int i;
char j;
short volatile k;
void l() {
i = h = 0;
for (; h < 7; h = h += 1)
i ^= (0 != k) + (long)j;
}
Backtrace:
> /scratch/tc-testing/tc-mar-5/build-rv64gcv/bin/riscv64-unknown-linux-gnu-gcc -march=rv64gcv -O3 red.c -o red.out
during GIMPLE pass: slp
./red.c: In function 'l':
./red.c:6:6: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85
6 | void l() {
| ^
0xb0f001 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
../../../gcc/gcc/tree.cc:9005
0xa38bd5 tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
../../../gcc/gcc/tree.h:3767
0xa38bd5 useless_type_conversion_p(tree_node*, tree_node*)
../../../gcc/gcc/gimple-expr.cc:85
0x1365242 verify_gimple_assign_binary
../../../gcc/gcc/tree-cfg.cc:4305
0x13704ee verify_gimple_in_cfg(function*, bool, bool)
../../../gcc/gcc/tree-cfg.cc:5599
0x11f1b10 execute_function_todo
../../../gcc/gcc/passes.cc:2088
0x11f205b execute_todo
../../../gcc/gcc/passes.cc:2142
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.
Godbolt: https://godbolt.org/z/s1M1WcGvc
Looks like a recent regression (within 2 days) since the fuzzer found ~10
instances of this failure last night.
Found via fuzzer.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/114259] [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85
2024-03-06 18:14 [Bug tree-optimization/114259] New: [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85 patrick at rivosinc dot com
@ 2024-03-06 18:21 ` sjames at gcc dot gnu.org
2024-03-06 18:37 ` patrick at rivosinc dot com
2024-03-06 18:38 ` sjames at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: sjames at gcc dot gnu.org @ 2024-03-06 18:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114259
Sam James <sjames at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |sjames at gcc dot gnu.org
--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
This is probably a dupe of PR114251 which was itself a dupe of PR114249. Could
you check trunk?
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/114259] [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85
2024-03-06 18:14 [Bug tree-optimization/114259] New: [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85 patrick at rivosinc dot com
2024-03-06 18:21 ` [Bug tree-optimization/114259] " sjames at gcc dot gnu.org
@ 2024-03-06 18:37 ` patrick at rivosinc dot com
2024-03-06 18:38 ` sjames at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: patrick at rivosinc dot com @ 2024-03-06 18:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114259
Patrick O'Neill <patrick at rivosinc dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|UNCONFIRMED |RESOLVED
--- Comment #2 from Patrick O'Neill <patrick at rivosinc dot com> ---
It's fixed on trunk. Thanks!
*** This bug has been marked as a duplicate of bug 114249 ***
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/114259] [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85
2024-03-06 18:14 [Bug tree-optimization/114259] New: [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85 patrick at rivosinc dot com
2024-03-06 18:21 ` [Bug tree-optimization/114259] " sjames at gcc dot gnu.org
2024-03-06 18:37 ` patrick at rivosinc dot com
@ 2024-03-06 18:38 ` sjames at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: sjames at gcc dot gnu.org @ 2024-03-06 18:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114259
--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
Cheers!
^ permalink raw reply [flat|nested] 4+ messages in thread
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2024-03-06 18:14 [Bug tree-optimization/114259] New: [14 Regression] ICE during GIMPLE pass: slp: internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85 patrick at rivosinc dot com
2024-03-06 18:21 ` [Bug tree-optimization/114259] " sjames at gcc dot gnu.org
2024-03-06 18:37 ` patrick at rivosinc dot com
2024-03-06 18:38 ` sjames at gcc dot gnu.org
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