[Bug target/85381] [og7, nvptx, openacc] parallel-loop-1.c fails with default vector length 128

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85381

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
This looks like a JIT bug, but with this tentative patch:
...
diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index 8c478c874bd..ac394ee1ae6 100644
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -4479,7 +4479,7 @@ nvptx_process_pars (parallel *par)
          threads = nvptx_mach_vector_length ();
        }

-      if (!empty || !is_call)
+      if (!(empty || is_call))
        {
          /* Insert begin and end synchronizations.  */
          emit_insn_before (nvptx_cta_sync (barrier, threads),
...
no barriers are generated, and the minimized testcase passes.