[Bug c++/101532] New: [12 Regression] ICE in finish_expr_stmt, at cp/semantics.c:859

["gscfq@t-online.de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101532

            Bug ID: 101532
           Summary: [12 Regression] ICE in finish_expr_stmt, at
                    cp/semantics.c:859
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Changed between 20210704 and 20210711 :


$ cat z1.cc
class A {
  ~A() {}
};
template <class> class B {
  A f = [] {};
};
B<int> c;


$ cat z2.cc
class A {
  ~A() {}
};
template <class T> class B {
  A f = [](T) {};
};
B<int> c;


$ g++-12-20210718 -c z1.cc
z1.cc: In function 'void __static_initialization_and_destruction_0(int, int)':
z1.cc:7:8: internal compiler error: in finish_expr_stmt, at cp/semantics.c:859
    7 | B<int> c;
      |        ^
0x9d659c finish_expr_stmt(tree_node*)
        ../../gcc/cp/semantics.c:859
0x826644 one_static_initialization_or_destruction
        ../../gcc/cp/decl2.c:4118
0x826d56 do_static_initialization_or_destruction
        ../../gcc/cp/decl2.c:4216
0x82d58e c_parse_final_cleanups()
        ../../gcc/cp/decl2.c:5062