https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92447
Bug ID: 92447
Summary: [10 Regression] ICE in poplevel, at cp/decl.c:585
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++-10.0.0-alpha20191110 snapshot (r278028) ICEs when compiling the following
testcase reduced from test/clang-tidy/readability-deleted-default.cpp from the
clang-tools-extra 9.0.0 testsuite:
template <typename T>
void TemplateFunctionWithInnerClass() {
class InnerNotAssignable {
public:
InnerNotAssignable &operator=(InnerNotAssignable &&Other) = default;
private:
const T TVar{};
};
};
void Foo() {
TemplateFunctionWithInnerClass<int>();
}
% g++-10.0.0-alpha20191110 -c zg7svuec.cpp
zg7svuec.cpp: In instantiation of 'void TemplateFunctionWithInnerClass() [with
T = int]':
zg7svuec.cpp:12:39: required from here
zg7svuec.cpp:8:4: internal compiler error: in poplevel, at cp/decl.c:585
8 | };
| ^
0x5fa0af poplevel(int, int, int)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/decl.c:585
0x974569 do_poplevel(tree_node*)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/semantics.c:452
0x9777d4 finish_compound_stmt(tree_node*)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/semantics.c:1534
0x93f13b tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/pt.c:17819
0x939e0a tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/pt.c:17497
0x939e0a instantiate_decl(tree_node*, bool, bool)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/pt.c:25299
0x96682c instantiate_pending_templates(int)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/pt.c:25415
0x88545e c_parse_final_cleanups()
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/cp/decl2.c:4852
