bd0e37f68a
gimplify_scan_omp_clauses was already calling gimplify_expr with false as last argument to make sure it is not an SSA_NAME, but as the testcases show, that is not enough, SSA_NAME temporaries created during that gimplification can be reused too and we can't allow SSA_NAMEs to be used across OpenMP region boundaries, as we can only firstprivatize decls. Fixed by temporarily disabling into_ssa. 2021-02-10 Jakub Jelinek <jakub@redhat.com> PR middle-end/99007 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions, temporarily disable gimplify_ctxp->into_ssa around gimplify_expr calls. * g++.dg/gomp/pr99007.C: New test. * gcc.dg/gomp/pr99007-1.c: New test. * gcc.dg/gomp/pr99007-2.c: New test. * gcc.dg/gomp/pr99007-3.c: New test. |
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