[Patch, Fortran] PR42517: Bogus runtime error with -fopenmp -fcheck=recursion

[H.J. Lu]

On Wed, Dec 30, 2009 at 11:37 AM, Janus Weil <janus@gcc.gnu.org> wrote:
> 2009/12/30 H.J. Lu <hjl.tools@gmail.com>:
>> On Wed, Dec 30, 2009 at 8:57 AM, Janus Weil <janus@gcc.gnu.org> wrote:
>>> 2009/12/30 H.J. Lu <hjl.tools@gmail.com>:
>>>> On Wed, Dec 30, 2009 at 6:33 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>>>> On Wed, Dec 30, 2009 at 1:42 AM, Janus Weil <janus@gcc.gnu.org> wrote:
>>>>>>> I have seen those on Linux/ia32:
>>>>>>>
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O0  (test for excess errors)
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O1  (test for excess errors)
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O2  (test for excess errors)
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -fomit-frame-pointer  (test
>>>>>>> for excess errors)
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -fomit-frame-pointer
>>>>>>> -funroll-all-loops -finline-functions  (test for excess errors)
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -fomit-frame-pointer
>>>>>>> -funroll-loops  (test for excess errors)
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -g  (test for excess errors)
>>>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -Os  (test for excess errors)
>>>>>>
>>>>>> Can you tell me what these excess errors are? I don't see them on
>>>>>> x86_64-unknown-linux-gnu.
>>>>>>
>>>>>
>>>>> I don't have gcc 4.5 installed. I got
>>>>>
>>>>> Executing on host:
>>>>> /export/build/gnu/gcc/build-x86_64-linux/gcc/testsuite/gfortran/../../gfortran
>>>>> -B/export/build/gnu/gcc/build-x86_64-linux/gcc/testsuite/gfortran/../../
>>>>> /net/gnu-6/export/gnu/import/git/gcc/gcc/testsuite/gfortran.dg/gomp/recursion1.f90
>>>>>  -O0  -fopenmp -fcheck=recursion
>>>>> -B/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libgfortran/.libs
>>>>> -L/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libgfortran/.libs
>>>>> -L/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libgfortran/.libs
>>>>> -L/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libiberty
>>>>>  -lm   -m32 -o ./recursion1.exe    (timeout = 300)
>>>>> gfortran: libgomp.spec: No such file or directory^M
>>>>> compiler exited with status 1
>>>>> output is:
>>>>> gfortran: libgomp.spec: No such file or directory^M
>>>>>
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O0  (test for excess errors)
>>>>> Excess errors:
>>>>> gfortran: libgomp.spec: No such file or directory
>>>>>
>>>>>
>>>>
>>>> recursion1.f90 is the only run-time test in gfortran.dg/gomp, which
>>>> isn't set up to find the just built libgomp.spec.
>>>
>>> Hm, ok. Is there a way to make the gfortran testsuite find libgomp, or
>>> should I rather move my run-time test to
>>> libgomp/testsuite/libgomp.fortran?
>>>
>>
>> It is easier to put OpenMP run-time tests in libgomp/testsuite/libgomp.fortran.
>
> Ok, then I will svn mv my test case there.
>
> Cheers,
> Janus
>

See Jakub's comments in

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41605

-- 
H.J.