https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122137
John David Anglin <danglin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |danglin at gcc dot gnu.org
--- Comment #5 from John David Anglin <danglin at gcc dot gnu.org> ---
We have the following fails on hppa64-hp-hpux11.11:
FAIL: gfortran.dg/pdt_46.f03 -O0 execution test
FAIL: gfortran.dg/pdt_46.f03 -O1 execution test
FAIL: gfortran.dg/pdt_46.f03 -O2 execution test
FAIL: gfortran.dg/pdt_46.f03 -O3 -fomit-frame-pointer -funroll-loops
-fpeel-lo
ops -ftracer -finline-functions execution test
FAIL: gfortran.dg/pdt_46.f03 -O3 -g execution test
FAIL: gfortran.dg/pdt_46.f03 -Os execution test
FAIL: gfortran.dg/pdt_77.f03 -O0 execution test
FAIL: gfortran.dg/pdt_77.f03 -O1 execution test
FAIL: gfortran.dg/pdt_77.f03 -O2 execution test
FAIL: gfortran.dg/pdt_77.f03 -O3 -fomit-frame-pointer -funroll-loops
-fpeel-lo
ops -ftracer -finline-functions execution test
FAIL: gfortran.dg/pdt_77.f03 -O3 -g execution test
FAIL: gfortran.dg/pdt_77.f03 -Os execution test
With pdt_46.exe compiled with -O0, we get a segmentation fault in the
7th call to free:
bash-5.1$ gdb pdt_46.exe
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Reading symbols from pdt_46.exe...done.
(gdb) break free
Function "free" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (free) pending.
(gdb) ignore 1 6
Will ignore next 6 crossings of breakpoint 1.
(gdb) r
Starting program: /home/dave/gnu/gcc/objdir64/gcc/testsuite/gfortran/pdt_46.exe
Breakpoint 1, 0x800003ffbfc3fbc8 in free () from /lib/pa20_64/libc.2
(gdb) bt
#0 0x800003ffbfc3fbc8 in free () from /lib/pa20_64/libc.2
#1 0x4000000000003324 in main2 ()
at /home/dave/gnu/gcc/gcc/gcc/testsuite/gfortran.dg/pdt_46.f03:52
#2 0x4000000000003a18 in test ()
at /home/dave/gnu/gcc/gcc/gcc/testsuite/gfortran.dg/pdt_46.f03:32
#3 0x400000000000436c in main (
argc=<error reading variable: Cannot access memory at address
0x4396000043c80000>,
argv=<error reading variable: Cannot access memory at address
0x4396000043c80008>) at
/home/dave/gnu/gcc/gcc/gcc/testsuite/gfortran.dg/pdt_46.f03:29
(gdb) p/x $r26
$1 = 0x4396000043c80000
(gdb) c
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x800003ffbfc3fd08 in free () from /lib/pa20_64/libc.2
The address passed to free in the 7th call lies in the code segment
and isn't writable.
