https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83268
David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-02-01
CC| |dmalcolm at gcc dot gnu.org
Summary|internal compiler error: in |[7 Regression] internal
|lambda_expr_this_capture, |compiler error: in
|at cp/lambda.c:785 |lambda_expr_this_capture,
| |at cp/lambda.c:785
Ever confirmed|0 |1
--- Comment #4 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Confirmed that this ICEs gcc 7 (but trunk and gcc 6 don't ICE).
ICE is here in lambda_expr_this_capture:
784 gcc_assert (TYPE_MAIN_VARIANT (TREE_TYPE (current_class_ref))
(gdb) call debug_tree (cfun->language->x_current_class_ref)
<indirect_ref 0x7ffff0109e80
type <record_type 0x7ffff0245888 __lambda0 readonly type_5 type_6 DI
size <integer_cst 0x7ffff18aceb8 constant 64>
unit size <integer_cst 0x7ffff18aced0 constant 8>
align 64 symtab 0 alias set -1 canonical type 0x7ffff0245888
fields <field_decl 0x7ffff0248558 __this type <pointer_type
0x7ffff0245a80>
used unsigned nonlocal decl_7 DI file /tmp/test.C line 9 col 11
size <integer_cst 0x7ffff18aceb8 64> unit size <integer_cst 0x7ffff18aced0 8>
align 64 offset_align 128
offset <integer_cst 0x7ffff18acee8 constant 0>
bit offset <integer_cst 0x7ffff18acf30 constant 0> context
<record_type 0x7ffff0245d20 __lambda0> chain <type_decl 0x7ffff0248428
__lambda0>> context <function_decl 0x7ffff0249200 operator()>
full-name "const struct X::operator()()::<lambda(auto:1)>"
X() X(constX&) this=(X&) n_parents=0 use_template=0 interface-unknown
pointer_to_this <pointer_type 0x7ffff0245bd0> reference_to_this
<reference_type 0x7ffff02979d8>>
readonly
arg 0 <nop_expr 0x7ffff0109e60
type <pointer_type 0x7ffff0245bd0 type <record_type 0x7ffff0245888
__lambda0>
unsigned type_6 DI size <integer_cst 0x7ffff18aceb8 64> unit size
<integer_cst 0x7ffff18aced0 8>
align 64 symtab 0 alias set -1 canonical type 0x7ffff0245bd0>
readonly
arg 0 <parm_decl 0x7ffff0266c00 __closure type <pointer_type
0x7ffff024b0a8>
readonly used unsigned DI file /tmp/test.C line 8 col 25 size
<integer_cst 0x7ffff18aceb8 64> unit size <integer_cst 0x7ffff18aced0 8>
align 64 context <function_decl 0x7ffff0267e00 operator()> arg-type
<pointer_type 0x7ffff024b0a8> chain <parm_decl 0x7ffff0266c80 D.30370>>>>
