https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86070
Bug ID: 86070
Summary: [7 regression] gfortran.dg/fmt_zero_digits.f90
segmentation fault starting with r261077
Product: gcc
Version: 7.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libfortran
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
spawn -ignore SIGHUP
/home/seurer/gcc/build/gcc-7/gcc/testsuite/gfortran/../../gfortran
-B/home/seurer/gcc/build/gcc-7/gcc/testsuite/gfortran/../../
-B/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/
/home/seurer/gcc/gcc-7/gcc/testsuite/gfortran.dg/fmt_zero_digits.f90
-fno-diagnostics-show-caret -fdiagnostics-color=never -O0 -pedantic-errors
-B/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/.libs
-L/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/.libs
-L/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/.libs
-L/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libatomic/.libs
-lm -o ./fmt_zero_digits.exe
PASS: gfortran.dg/fmt_zero_digits.f90 -O0 (test for excess errors)
Setting LD_LIBRARY_PATH to
.:/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/.libs:/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/.libs:/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libatomic/.libs:/home/seurer/gcc/build/gcc-7/gcc:.:/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/.libs:/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libgfortran/.libs:/home/seurer/gcc/build/gcc-7/powerpc64le-unknown-linux-gnu/./libatomic/.libs:/home/seurer/gcc/build/gcc-7/gcc:/home/seurer/gcc/build/gcc-7/./gmp/.libs:/home/seurer/gcc/build/gcc-7/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-7/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-7/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-7/./mpc/src/.libs:/home/seurer/gcc/build/gcc-7/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-7/./isl/.libs:/home/seurer/gcc/build/gcc-7/./prev-isl/.libs:/home/seurer/gcc/install/gcc-7.2.0/lib64
Execution timeout is: 300
spawn [open ...]
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
Backtrace for this error:
FAIL: gfortran.dg/fmt_zero_digits.f90 -O0 execution test
Program received signal SIGSEGV, Segmentation fault.
__memcpy_power7 () at ../sysdeps/powerpc/powerpc64/power7/memcpy.S:115
115 ../sysdeps/powerpc/powerpc64/power7/memcpy.S: No such file or
directory.
(gdb) where
#0 __memcpy_power7 () at ../sysdeps/powerpc/powerpc64/power7/memcpy.S:115
#1 0x00003fffb7f3ce64 in write_float_string (dtp=0x3fffffffee48,
fstr=0x3fffffffe720 ' ' <repeats 14 times>, "8.D+00", len=70367532635856) at
/home/seurer/gcc/gcc-7/libgfortran/io/write.c:1577
#2 0x00003fffb7f41654 in write_float_0 (dtp=0x3fffffffee48, f=0x10021aa0,
source=0x100012d8 "", kind=<optimized out>) at
/home/seurer/gcc/gcc-7/libgfortran/io/write.c:1599
#3 0x00003fffb7f36480 in formatted_transfer_scalar_write (dtp=0x3fffffffee48,
type=BT_REAL, p=0x100012d8, kind=4, size=4) at
/home/seurer/gcc/gcc-7/libgfortran/io/transfer.c:2017
#4 0x00003fffb7f36bcc in formatted_transfer (dtp=0x3fffffffee48,
type=<optimized out>, p=<optimized out>, kind=<optimized out>, size=4,
nelems=1)
at /home/seurer/gcc/gcc-7/libgfortran/io/transfer.c:2279
#5 0x00003fffb7f32d00 in _gfortran_transfer_real (dtp=0x3fffffffee48,
p=0x100012d8, kind=<optimized out>) at
/home/seurer/gcc/gcc-7/libgfortran/io/transfer.c:2310
#6 0x00003fffb7f32d48 in _gfortran_transfer_real_write (dtp=<optimized out>,
p=<optimized out>, kind=<optimized out>) at
/home/seurer/gcc/gcc-7/libgfortran/io/transfer.c:2316
#7 0x0000000010000b70 in test () at
/home/seurer/gcc/gcc-7/gcc/testsuite/gfortran.dg/fmt_zero_digits.f90:15
#8 0x0000000000001060 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
