https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62208
--- Comment #2 from Zhendong Su <su at cs dot ucdavis.edu> ---
(In reply to Richard Biener from comment #1)
> Can't reproduce it.
Richard, it still fails for me with r214255. The linker I use is
GNU gold (GNU Binutils for Ubuntu 2.22) 1.11
if that is relevant.
$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/usr/local/gcc-trunk/libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-trunk/configure --prefix=/usr/local/gcc-trunk
--enable-languages=c,c++ --disable-werror --enable-multilib
Thread model: posix
gcc version 5.0.0 20140821 (experimental) [trunk revision 214255] (GCC)
$
$ ld -v
GNU gold (GNU Binutils for Ubuntu 2.22) 1.11
$
$ gcc-trunk -flto -m32 -O3 small.c
small.c: In function ‘main’:
small.c:21:1: internal compiler error: in trunc_int_for_mode, at explow.c:56
}
^
0x627bd0 trunc_int_for_mode(long, machine_mode)
../../gcc-trunk/gcc/explow.c:56
0x616438 gen_int_mode(long, machine_mode)
../../gcc-trunk/gcc/emit-rtl.c:437
0x8d15cc simplify_const_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
../../gcc-trunk/gcc/simplify-rtx.c:1735
0x8ceb9a simplify_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
../../gcc-trunk/gcc/simplify-rtx.c:814
0x8cff40 simplify_gen_unary(rtx_code, machine_mode, rtx_def*, machine_mode)
../../gcc-trunk/gcc/simplify-rtx.c:387
0xe124be if_then_else_cond
../../gcc-trunk/gcc/combine.c:8615
0xe1d34e combine_simplify_rtx
../../gcc-trunk/gcc/combine.c:5262
0xe1fbca subst
../../gcc-trunk/gcc/combine.c:5199
0xe1f8e8 subst
../../gcc-trunk/gcc/combine.c:5144
0xe1f8e8 subst
../../gcc-trunk/gcc/combine.c:5144
0xe22144 try_combine
../../gcc-trunk/gcc/combine.c:3134
0xe27fad combine_instructions
../../gcc-trunk/gcc/combine.c:1280
0xe27fad rest_of_handle_combine
../../gcc-trunk/gcc/combine.c:13896
0xe27fad execute
../../gcc-trunk/gcc/combine.c:13939
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: fatal error: gcc-trunk returned 1 exit status
compilation terminated.
/usr/bin/ld: fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
$
