[Bug fortran/62010] New: OpenMP simd produces wrong results

[alexander.grund at mailbox dot tu-dresden.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62010

            Bug ID: 62010
           Summary: OpenMP simd produces wrong results
           Product: gcc
           Version: 4.9.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: alexander.grund at mailbox dot tu-dresden.de

Created attachment 33238
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33238&action=edit
Testcase 1

Using the OpenMP 4.0 SIMD construct results in wrong calculation results in
some cases. (See testcase 1)

To reproduce: simply run:
gfortran-4.9 gfortranBug.f && ./a.out && gfortran-4.9 gfortranBug.f -fopenmp &&
./a.out

Output:
 size          12
   36.016765295885790     
 size          12
   35.454228116260587 

Expected: Same for both cases.