[Bug target/83757] New: [8 regression] gcc.dg/pr82190.c fails starting with r256351

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83757

            Bug ID: 83757
           Summary: [8 regression] gcc.dg/pr82190.c fails starting with
                    r256351
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

Saw this only on powerpc64le and not on be.

spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr82190.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -fno-optimize-strlen
-fweb -lm -o ./pr82190.exe
PASS: gcc.dg/pr82190.c (test for excess errors)
Setting LD_LIBRARY_PATH to
:/home/seurer/gcc/build/gcc-test2/gcc::/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./isl/.libs:/home/seurer/gcc/build/gcc-test2/./prev-isl/.libs:/home/seurer/gcc/install/gcc-7.2.0/lib64
spawn [open ...]
FAIL: gcc.dg/pr82190.c execution test

seurer@genoa:~/gcc/build/gcc-test2$ /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr82190.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -g
-fno-optimize-strlen -fweb -lm -o ./pr82190.exe
seurer@genoa:~/gcc/build/gcc-test2$ gdb ./pr82190.exe 

(gdb) run
Starting program: /home/seurer/gcc/build/gcc-test2/pr82190.exe 

Program received signal SIGABRT, Aborted.
0x00003fffb7ccedb0 in __GI_raise (sig=<optimized out>) at
../sysdeps/unix/sysv/linux/raise.c:54
54      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) where
#0  0x00003fffb7ccedb0 in __GI_raise (sig=<optimized out>) at
../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00003fffb7cd1270 in __GI_abort () at abort.c:89
#2  0x000000001000053c in main () at
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr82190.c:13