https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96459
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:464ed899038051f80af1df7197e561f327502107 commit r9-8906-g464ed899038051f80af1df7197e561f327502107 Author: Jakub Jelinek <ja...@redhat.com> Date: Wed Aug 5 10:40:10 2020 +0200 openmp: Handle reduction clauses on host teams construct [PR96459] As the new testcase shows, we weren't actually performing reductions on host teams construct. And fixing that revealed a flaw in the for-14.c testcase. The problem is that the tests perform also initialization and checking around the calls to the functions with the OpenMP constructs. In that testcase, all the tests have been spawned from a teams construct but only the tested loops were distribute, which means the initialization and checking has been performed redundantly and racily in each team. Fixed by performing the initialization and checking outside of host teams and only do the calls to functions with the tested constructs inside of host teams. 2020-08-05 Jakub Jelinek <ja...@redhat.com> PR middle-end/96459 * omp-low.c (lower_omp_taskreg): Call lower_reduction_clauses even in for host teams. * testsuite/libgomp.c/teams-3.c: New test. * testsuite/libgomp.c-c++-common/for-2.h (OMPTEAMS): Define to nothing if not defined yet. (N(test)): Use it before all N(f*) calls. * testsuite/libgomp.c-c++-common/for-14.c (DO_PRAGMA, OMPTEAMS): Define. (main): Don't call all test_* functions from within #pragma omp teams reduction(|:err), call them directly. (cherry picked from commit 916c7a201a9a1dc94f2c056a773826a26d1daca9)
