https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85496
Bug ID: 85496
Summary: [6/7/8 Regression] internal compiler error: in
emit_move_insn, at expr.c:3722
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: mpolacek at gcc dot gnu.org
Target Milestone: ---
template <typename> class complex;
template <typename _Tp> complex<_Tp> operator*(complex<_Tp>, complex<_Tp>);
template <> struct complex<float> { _Complex float _M_value; };
class A {
complex<float> _f0, _f1;
public:
complex<float> &m_fn1() { return _f1; }
};
complex<float> a;
void cos() {
A b;
complex<float> c;
b.m_fn1() = c * a;
}
$ ./cc1plus -quiet x.C -O
during RTL pass: expand
x.C: In function ‘void cos()’:
x.C:14:19: internal compiler error: in emit_move_insn, at expr.c:3722
b.m_fn1() = c * a;
^
0xc5e00f emit_move_insn(rtx_def*, rtx_def*)
/home/marek/src/gcc/gcc/expr.c:3721
0xc38e53 store_bit_field_1
/home/marek/src/gcc/gcc/expmed.c:804
0xc3a697 store_bit_field(rtx_def*, poly_int<1u, unsigned long>, poly_int<1u,
unsigned long>, poly_int<1u, unsigned long>, poly_int<1u, unsigned long>,
machine_mode, rtx_def*, bool)
/home/marek/src/gcc/gcc/expmed.c:1154
0xc6ccc0 store_field
/home/marek/src/gcc/gcc/expr.c:7073
0xc63f46 expand_assignment(tree_node*, tree_node*, bool)
/home/marek/src/gcc/gcc/expr.c:5251
0xae2116 expand_call_stmt
/home/marek/src/gcc/gcc/cfgexpand.c:2688
0xae55bf expand_gimple_stmt_1
/home/marek/src/gcc/gcc/cfgexpand.c:3624
0xae5cb5 expand_gimple_stmt
/home/marek/src/gcc/gcc/cfgexpand.c:3790
0xaee461 expand_gimple_basic_block
/home/marek/src/gcc/gcc/cfgexpand.c:5819
0xaefe42 execute
/home/marek/src/gcc/gcc/cfgexpand.c:6425
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.
Target: x86_64-pc-linux-gnu
