https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93314
Bug ID: 93314
Summary: Invalid use of non-static data member causes ICE in
gimplify_expr
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: language.lawyer at gmail dot com
Target Milestone: ---
int main()
{
struct S { int m; };
return sizeof(char[S::m]);
}
$ g++ prog.cc
prog.cc: In function 'int main()':
prog.cc:4:27: internal compiler error: in gimplify_expr, at gimplify.c:14581
4 | return sizeof(char[S::m]);
| ~~~^
0x5c6160 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:14581
0x9a7434 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13885
0x9a7de0 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13702
0x9aa19f gimplify_compound_lval
../../source/gcc/gimplify.c:3064
0x9a6c00 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13533
0x9a7434 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13885
0x9a7129 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:14348
0x9abfb0 internal_get_tmp_var
../../source/gcc/gimplify.c:619
0x9ac749 get_initialized_tmp_var(tree_node*, gimple**, gimple**, bool)
../../source/gcc/gimplify.c:674
0x9ac749 gimplify_save_expr
../../source/gcc/gimplify.c:6072
0x9a7621 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13881
0x9a7434 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13885
0x9a7129 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:14348
0x9a7434 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13885
0x9b1ecb gimplify_modify_expr
../../source/gcc/gimplify.c:5765
0x9a73a2 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13581
0x9acc8e gimplify_stmt(tree_node**, gimple**)
../../source/gcc/gimplify.c:6822
0x9acc8e gimplify_and_add(tree_node*, gimple**)
../../source/gcc/gimplify.c:486
0x9acc8e gimplify_return_expr
../../source/gcc/gimplify.c:1667
0x9a8303 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../source/gcc/gimplify.c:13842
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.
(https://wandbox.org/permlink/GNNTjXAK2pQ5clUt)
I've selectively checked about some of g++ versions, from 4.4.7 to HEAD, on
wandbox.org. They're all crashing, just segfaulting before 5.1.0 and ICEing in
gimplify_expr starting from 5.1.0.
