[Bug other/92997] New: [10 regression] gcc.dg/torture/ftrapv-1.c fails starting with r279523

seurer at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Dec 18 18:52:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92997

            Bug ID: 92997
           Summary: [10 regression] gcc.dg/torture/ftrapv-1.c fails
                    starting with r279523
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

# of expected passes            15
# of unexpected failures        1
FAIL: gcc.dg/torture/ftrapv-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  execution test


Running the failing one in gdb I see:

(gdb) where
#0  0x00007ffff7c2e98c in __libc_signal_restore_set (set=0x7fffffffe8e8) at
../sysdeps/unix/sysv/linux/nptl-signals.h:80
#1  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:48
#2  0x00007ffff7c30be0 in __GI_abort () at abort.c:79
#3  0x00000000100006bc in main () at
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/torture/ftrapv-1.c:35


executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -O0  -ftrapv
-fno-ipa-vrp  -lm  -o ./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O0 -ftrapv -fno-ipa-vrp -lm
-o ./ftrapv-1.exe
Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/ exceptions_enabled25736.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never  -S -o
exceptions_enabled25736.s    (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/ exceptions_enabled25736.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -S -o
exceptions_enabled25736.s
exceptions_enabled25736.c: In function 'foo':
exceptions_enabled25736.c:4:7: error: 'throw' undeclared (first use in this
function)
exceptions_enabled25736.c:4:7: note: each undeclared identifier is reported
only once for each function it appears in
exceptions_enabled25736.c:4:12: error: expected ';' before numeric constant
compiler exited with status 1
PASS: gcc.dg/torture/ftrapv-1.c   -O0  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/torture/ftrapv-1.c   -O0  execution test
Executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -O1  -ftrapv
-fno-ipa-vrp  -lm  -o ./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O1 -ftrapv -fno-ipa-vrp -lm
-o ./ftrapv-1.exe
PASS: gcc.dg/torture/ftrapv-1.c   -O1  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/torture/ftrapv-1.c   -O1  execution test
Executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -O2  -ftrapv
-fno-ipa-vrp  -lm  -o ./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -ftrapv -fno-ipa-vrp -lm
-o ./ftrapv-1.exe
PASS: gcc.dg/torture/ftrapv-1.c   -O2  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/torture/ftrapv-1.c   -O2  execution test
Executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -O3 -fomit-frame-pointer
-funroll-loops -fpeel-loops -ftracer -finline-functions  -ftrapv -fno-ipa-vrp 
-lm  -o ./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O3 -fomit-frame-pointer
-funroll-loops -fpeel-loops -ftracer -finline-functions -ftrapv -fno-ipa-vrp
-lm -o ./ftrapv-1.exe
PASS: gcc.dg/torture/ftrapv-1.c   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/torture/ftrapv-1.c   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  execution test
Executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -O3 -g  -ftrapv
-fno-ipa-vrp  -lm  -o ./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O3 -g -ftrapv -fno-ipa-vrp
-lm -o ./ftrapv-1.exe
PASS: gcc.dg/torture/ftrapv-1.c   -O3 -g  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/torture/ftrapv-1.c   -O3 -g  execution test
Executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -Os  -ftrapv
-fno-ipa-vrp  -lm  -o ./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -Os -ftrapv -fno-ipa-vrp -lm
-o ./ftrapv-1.exe
PASS: gcc.dg/torture/ftrapv-1.c   -Os  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/torture/ftrapv-1.c   -Os  execution test
Executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -O2 -flto
-fno-use-linker-plugin -flto-partition=none  -ftrapv -fno-ipa-vrp  -lm  -o
./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -flto
-fno-use-linker-plugin -flto-partition=none -ftrapv -fno-ipa-vrp -lm -o
./ftrapv-1.exe
PASS: gcc.dg/torture/ftrapv-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/torture/ftrapv-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  execution test
Executing on host: /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/torture/ftrapv-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never    -O2 -flto
-fuse-linker-plugin -fno-fat-lto-objects  -ftrapv -fno-ipa-vrp  -lm  -o
./ftrapv-1.exe    (timeout = 300)
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/torture/ftrapv-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -flto
-fuse-linker-plugin -fno-fat-lto-objects -ftrapv -fno-ipa-vrp -lm -o
./ftrapv-1.exe
PASS: gcc.dg/torture/ftrapv-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  (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-7.4.0/lib64
Execution timeout is: 300
spawn [open ...]
FAIL: gcc.dg/torture/ftrapv-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  execution test
testcase /home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/torture/dg-torture.exp
completed in 1 seconds

                === gcc Summary ===

# of expected passes            15
# of unexpected failures        1


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