https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109125
--- Comment #6 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot
Uni-Bielefeld.DE> ---
> --- Comment #5 from Gaius Mulley <gaius at gcc dot gnu.org> ---
> readreal.mod requires the input file testnumber to be in the same directory as
> the executable invocation.
>
> Or manually create a text file containing:
>
> cat << EOF > testnumber
> 12.3456
> EOF
Got it, thanks. It's another unaligned access:
Thread 2 received signal SIGBUS, Bus error.
[Switching to Thread 1 (LWP 1)]
0x00037a40 in m2pim_dtoa_strtod (s=0x54c90 "12.3456", error=0xffbfe96f)
at /vol/gcc/src/hg/master/local/libgm2/libm2pim/dtoa.cc:124
124 *error = (errno != 0);
1: x/i $pc
=> 0x37a40 <m2pim_dtoa_strtod(char const*, int*)+76>: st %g2, [ %i1 ]
(gdb) bt
#0 0x00037a40 in m2pim_dtoa_strtod (s=0x54c90 "12.3456", error=0xffbfe96f)
at /vol/gcc/src/hg/master/local/libgm2/libm2pim/dtoa.cc:124
#1 0x000263b0 in m2iso_RealIO_ReadReal (cid=0x594a0, real=@0x4e3a8: 0)
at
/vol/gcc/src/hg/master/local/libgm2/libm2iso/../../gcc/m2/gm2-libs-iso/RealIO.mod:75
#2 0x00021cac in _M2_readreal_init (argc=1, argv=0xffbfebcc, envp=0xffbfebd4)
at
/vol/gcc/src/hg/master/local/gcc/testsuite/gm2/isolib/run/pass/readreal.mod:31
#3 0x0002d560 in m2pim_M2Dependent_ConstructModules (
applicationmodule=<optimized out>, libname=<optimized out>, argc=1,
argv=0xffbfebcc, envp=0xffbfebd4)
at
/vol/gcc/src/hg/master/local/libgm2/libm2pim/../../gcc/m2/gm2-libs/M2Dependent.mod:813
#4 0x00022660 in _M2_init (argc=1, argv=0xffbfebcc, envp=0xffbfebd4)
at
/vol/gcc/src/hg/master/local/gcc/testsuite/gm2/isolib/run/pass/readreal.mod:18
#5 0x000226d8 in main (argc=1, argv=0xffbfebcc, envp=0xffbfebd4)
at
/vol/gcc/src/hg/master/local/gcc/testsuite/gm2/isolib/run/pass/readreal.mod:18
(gdb) p/x $i1
$1 = 0xffbfe96f
