https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93786
Bug ID: 93786
Summary: [8/9/10 Regression] gimplifier ICE with statement
expression since r8-5526
Product: gcc
Version: 9.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
Target Milestone: ---
struct S {virtual void v();};
void f(S * s) {
({ s; })->v();
}
ICEs with -O -g since r8-5526-gcb6332333854a698cbfc2ea4b1e52ce9bd59f664:
gimplification failed:
<statement_list 0x7feef52fe820
type <void_type 0x7feef51aef18 void VOID
align:8 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7feef51aef18
pointer_to_this <pointer_type 0x7feef51b60a8>>
head (nil) tail (nil) stmts
>
rh1803909.C: In function ‘void f(S*)’:
rh1803909.C:3:14: internal compiler error: gimplification failed
({ s; })->v();
~~~~~~~~~~~^~
0xe9db35 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc/gimplify.c:12393
0xe9bffb gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc/gimplify.c:11845
0xe771ed gimplify_call_expr
../../gcc/gimplify.c:3308
Doesn't ICE without -g.
