https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95508
Bug ID: 95508
Summary: [10/11 Regression] ICE on unexpected expression
implicit_conv_expr since r10-7096
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
Target Milestone: ---
Since r10-7096-gd417b4f5414d9076300ab41974a14424f722688c the following testcase
ICEs:
template <typename>
struct A;
template <typename>
struct B {
operator int () { return 0; }
};
template <>
struct A<unsigned> : B<int> {};
struct D {
template <typename>
int foo () { return e[f]; }
int e[6];
A<unsigned> f;
};
rh1837006.C: In member function ‘int D::foo()’:
rh1837006.C:11:26: internal compiler error: unexpected expression
‘(int)((D*)this)->D::f’ of kind implicit_conv_expr
11 | int foo () { return e[f]; }
| ^
0xaf874b cxx_eval_constant_expression
../../gcc/cp/constexpr.c:6541
0xaf8cef cxx_eval_outermost_constant_expr
../../gcc/cp/constexpr.c:6746
0xafd0db maybe_constant_value(tree_node*, tree_node*, bool)
../../gcc/cp/constexpr.c:7019
0xcc3e00 cp_build_array_ref(unsigned int, tree_node*, tree_node*, int)
../../gcc/cp/typeck.c:3568
...
