https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105856
Bug ID: 105856
Summary: ice in emit_move_insn, at expr.cc:4011
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
This C code:
#pragma pack(1)
struct {
unsigned f0;
} static g_251 = {6};
void g_329_3() { func_19(g_251); }
when compiled with -O2 on a arm-32 compiler natively or cross, does this:
during RTL pass: expand
bug819.c: In function ‘g_329_3’:
bug819.c:5:18: internal compiler error: in emit_move_insn, at expr.cc:4011
5 | void g_329_3() { func_19(g_251); }
| ^~~~~~~~~~~~~~
0x67dcba emit_move_insn(rtx_def*, rtx_def*)
/home/dcb/gcc/trunk.git/gcc/expr.cc:4011
0xa2940d load_register_parameters
/home/dcb/gcc/trunk.git/gcc/calls.cc:2192
0xa2c59b expand_call(tree_node*, rtx_def*, int)
/home/dcb/gcc/trunk.git/gcc/calls.cc:3593
0xba77d0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier,
rtx_def**, bool)
/home/dcb/gcc/trunk.git/gcc/expr.cc:11621
The bug appears sometime in the week before git hash aec868578d851576.
