Fix late-coming issues. (#1724)

Implementation for hipMemcpyWithStream.

src/hip_module.cpp

@@ -239,14 +239,7 @@ hipError_t ihipModuleLaunchKernel(TlsData *tls, hipFunction_t f, uint32_t global
             aql.header |= (1 << HSA_PACKET_HEADER_BARRIER);
         }
 
-        if (HCC_OPT_FLUSH) {
-            aql.header |= (HSA_FENCE_SCOPE_AGENT << HSA_PACKET_HEADER_ACQUIRE_FENCE_SCOPE) |
-                          (HSA_FENCE_SCOPE_AGENT << HSA_PACKET_HEADER_RELEASE_FENCE_SCOPE);
-        } else {
-            aql.header |= (HSA_FENCE_SCOPE_SYSTEM << HSA_PACKET_HEADER_ACQUIRE_FENCE_SCOPE) |
-                          (HSA_FENCE_SCOPE_SYSTEM << HSA_PACKET_HEADER_RELEASE_FENCE_SCOPE);
-        };
-
+        aql.header |= lp.launch_fence;
 
         hc::completion_future cf;