https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62207
Volker Reichelt changed:
What|Removed |Added
Keywords||ice-checking
Last reconfirmed|2014-12-14 00:00:00 |2017-06-05
CC||reichelt at gcc dot gnu.org
Summary|ICE: tree check: expected |[5/6/7/8 Regression] ICE:
|tree that contains 'decl|tree check: expected tree
|minimal' structure, have|that contains 'decl
|'overload' in tsubst_copy, |minimal' structure, have
|at cp/pt.c |'overload' in tsubst_copy,
||at cp/pt.c
--- Comment #5 from Volker Reichelt ---
Marc's code snippet can be reduced to the following invalid code snippet
that only generates one error before the ICE:
==
template void foo(T)
{
X;
X;
}
void X();
void X(int);
void bar()
{
foo(0);
}
==
PR62207.cc: In function 'void foo(T)':
PR62207.cc:3:3: error: 'X' was not declared in this scope
X;
^
PR62207.cc: In instantiation of 'void foo(T) [with T = int]':
PR62207.cc:12:8: required from here
PR62207.cc:4:3: internal compiler error: tree check: expected tree that
contains 'decl minimal' structure, have 'overload' in tsubst_copy, at
cp/pt.c:14628
X;
^
0x1029944 tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
../../gcc/gcc/tree.c:10031
0x7b04b6 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
../../gcc/gcc/tree.h:3197
0x7b04b6 tsubst_copy
../../gcc/gcc/cp/pt.c:14628
0x7b5fc5 tsubst_copy
../../gcc/gcc/cp/pt.c:14483
0x7b5fc5 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../gcc/gcc/cp/pt.c:17806
0x7a6128 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:16521
0x7a4d1b tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:15785
0x7a4327 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:15998
0x7a1d90 instantiate_decl(tree_node*, bool, bool)
../../gcc/gcc/cp/pt.c:22963
0x7e33fb instantiate_pending_templates(int)
../../gcc/gcc/cp/pt.c:23084
0x6ca018 c_parse_final_cleanups()
../../gcc/gcc/cp/decl2.c:4511
Please submit a full bug report, [etc.]
This is a regression that appeared in GCC 5.1.0.
