https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71226
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-05-23
Summary|ICE in fold_binary_loc, at |[C++14] ICE in
|fold-const.c:9252, from |fold_binary_loc, at
|constexpr function |fold-const.c:9252, from
| |constexpr function
Ever confirmed|0 |1
Known to fail| |5.3.0, 6.1.0, 7.0
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.
GCC 4.9 complains:
t.C: In function ‘constexpr zero foo(zero)’:
t.C:10:1: error: body of constexpr function ‘constexpr zero foo(zero)’ not a
return-statement
}
^
t.C: In function ‘int main()’:
t.C:14:30: error: ‘constexpr zero foo(zero)’ called in a constant expression
constexpr zero y = foo(x);
^
#3 0x0000000000a45d96 in cxx_eval_binary_expression (ctx=0x7fffffffc710,
t=0x7ffff69daf00, non_constant_p=0x7fffffffd177, overflow_p=0x7fffffffd176)
at /space/rguenther/src/svn/gcc-6-branch/gcc/cp/constexpr.c:1756
1756 r = fold_binary_loc (loc, code, type, lhs, rhs);
(gdb) p code
$1 = PLUS_EXPR
(gdb) p type
$2 = (tree) 0x7ffff688b7e0
(gdb) p lhs
$3 = (tree) 0x0
(gdb) p rhs
$4 = (tree) 0x0
