X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c9229be45a18de249c863e18a9142dcc376e850d..1630b8c2917fce5760c0065b240764cda0a70eb4:/teshsuite/smpi/mpich3-test/rma/rget-testall.c

diff --git a/teshsuite/smpi/mpich3-test/rma/rget-testall.c b/teshsuite/smpi/mpich3-test/rma/rget-testall.c
index 4f3eec243b..dee88b3533 100644
--- a/teshsuite/smpi/mpich3-test/rma/rget-testall.c
+++ b/teshsuite/smpi/mpich3-test/rma/rget-testall.c
@@ -33,10 +33,19 @@ int main(int argc, char **argv)
 
     MPI_Win_allocate(2 * sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &baseptr, &win);
 
-    /* Initialize window buffer */
-    MPI_Win_lock(MPI_LOCK_EXCLUSIVE, rank, 0, win);
+    /* 
+     * TODO cheinrich: These assignments were originally after the MPI_Win_lock
+     * and before the MPI_Win_unlock call. However, with compile time optimizations on,
+     * this seems to cause issues with at least gcc. If valgrind or gcc is activated,
+     * everything works fine though.
+     *
+     * I don't know what causes these issues, but moving this here solves the problem for now.
+     */
     baseptr[0] = 1;
     baseptr[1] = 2;
+
+    /* Initialize window buffer */
+    MPI_Win_lock(MPI_LOCK_EXCLUSIVE, rank, 0, win);
     MPI_Win_unlock(rank, win);
 
     /* Issue request-based get with testall. */