https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97378
Bug ID: 97378
Summary: [11 Regression] ICE in tree check: expected class
‘type’, have ‘exceptional’ (error_mark) in
useless_type_conversion_p, at gimple-expr.c:87
sincer11-3685-gfcae5121154d1c33
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ cat acc-branch.f90
program openacc_clause_validity
real(8) :: a(256)
do i = 1, N
return
end do
do i = 1, N
if(i == N-1) THEN
end if
end do
do i = 1, N
end do
end program openacc_clause_validity
$ gfortran acc-branch.f90 -fno-tree-forwprop -ftree-vrp -O
during GIMPLE pass: evrp
acc-branch.f90:12:0:
12 | end program openacc_clause_validity
|
internal compiler error: tree check: expected class ‘type’, have ‘exceptional’
(error_mark) in useless_type_conversion_p, at gimple-expr.c:87
0x739d90 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
/home/marxin/Programming/gcc/gcc/tree.c:9779
0x67650f tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
/home/marxin/Programming/gcc/gcc/tree.h:3426
0x67650f useless_type_conversion_p(tree_node*, tree_node*)
/home/marxin/Programming/gcc/gcc/gimple-expr.c:87
0xe676f4 verify_gimple_assign_binary
/home/marxin/Programming/gcc/gcc/tree-cfg.c:4147
0xe78301 verify_gimple_in_cfg(function*, bool)
/home/marxin/Programming/gcc/gcc/tree-cfg.c:5418
0xd5e50f execute_function_todo
/home/marxin/Programming/gcc/gcc/passes.c:1992
0xd5f35c do_per_function
/home/marxin/Programming/gcc/gcc/passes.c:1640
0xd5f35c execute_todo
/home/marxin/Programming/gcc/gcc/passes.c:2046
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
