https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78750
Bug ID: 78750
Summary: [7 Regression] ICE in get_range_info, at
tree-ssanames.c:375
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at gcc dot gnu.org
Target Milestone: ---
seen with r243430
$ cat DateTime.ii
template <typename> using b = void;
template <typename, typename, template <typename...> class, typename...>
struct c {
using a = int;
};
template <typename aa, template <typename...> class d, typename... e>
struct c<aa, b<d<e...>>, d, e...> {
using a = d<e...>;
};
template <typename aa, template <typename...> class d, typename... e>
using f = c<aa, void, d, e...>;
template <typename aa, template <typename...> class d, typename... e>
using g = typename f<aa, d, e...>::a;
template <template <typename...> class aa, template <typename...> class d,
typename... e>
using h = g<aa<e...>, d, e...>;
template <typename, typename> using i = int;
class ab {
template <typename> struct j { typedef ab k; };
};
struct l {
template <typename ac, typename n> using o = typename ac::template j<n>::k;
template <typename q> using r = typename q::d;
template <typename q> using ae = typename q::f;
};
template <typename ac, typename n> using ag = h<i, l::o, ac, n>;
struct s : l {
using ad = g<char, r>;
using af = g<int, ae>;
template <typename q> using w = ag<ab, q>;
};
struct ah : s {
template <typename> struct ak { typedef w<int> k; };
};
int u;
class al {
public:
struct x {
x(ah::ad, ab);
} ai;
template <typename aj> void y(aj, aj);
ah::ak<char>::k am();
al(const al &) : ai(0, am()) {
int v = ao();
y(u, v);
}
ab z;
al(const char *) : ai(0, z) {}
ah::af ao() const;
};
extern "C" char *strcpy(char *, const char *);
int an(char *, const char *, long);
class aq {};
template <class ap> class ar : public aq {
public:
ar(al, ap as) : m(m) { char t = *strcpy(&t, as); }
al m;
};
class at {
public:
template <class ap> at(al aw, ap &as) : p(new ar<ap>(aw, as)) {}
aq *p;
};
enum au { av };
class ax {
public:
ax(al);
template <class ap> void ay(au, al as, ap &az) { at(as, az); }
};
class ba {
ba(const al &);
};
ax a("");
ba::ba(const al &aw) {
if (aw.ao() == 4) {
char b[1];
if (an(b, "", 3))
if (an(b, "", 3))
if (an(b, "", 3))
if (an(b, "", 3))
if (an(b, "", 3))
a.ay(av, "", b);
}
}
$ g++ -c -O2 -Wno-deprecated DateTime.ii
DateTime.ii: In constructor 'at::at(al, ap&) [with ap = char [1]]':
DateTime.ii:56:42: internal compiler error: in get_range_info, at
tree-ssanames.c:375
ar(al, ap as) : m(m) { char t = *strcpy(&t, as); }
~~~~~~^~~~~~~~
0xca7bdf get_range_info(tree_node const*, generic_wide_int<wide_int_storage>*,
generic_wide_int<wide_int_storage>*)
../../src/gcc/tree-ssanames.c:375
0x792217 get_size_range
../../src/gcc/builtins.c:3031
0x793855 check_sizes
../../src/gcc/builtins.c:3136
0x79e846 expand_builtin_strcpy
../../src/gcc/builtins.c:3597
0x79e846 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
../../src/gcc/builtins.c:6694
0x89864b expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
../../src/gcc/expr.c:10772
0x7b6a94 expand_expr
../../src/gcc/expr.h:276
0x7b6a94 expand_call_stmt
../../src/gcc/cfgexpand.c:2658
0x7b6a94 expand_gimple_stmt_1
../../src/gcc/cfgexpand.c:3571
0x7b6a94 expand_gimple_stmt
../../src/gcc/cfgexpand.c:3737
0x7b794f expand_gimple_basic_block
../../src/gcc/cfgexpand.c:5744
0x7bcb26 execute
../../src/gcc/cfgexpand.c:6355
Please submit a full bug report,
with preprocessed source if appropriate.
