Fix hipHostRegister mem leak and copy kind in hipMemcpyAsync (#587)

tests/src/runtimeApi/memory/hipHostRegister.cpp

@@ -108,6 +108,7 @@ int main(int argc, char* argv[]) {
         HIPCHECK(hipHostUnregister(A));
 
         free(A);
+        delete [] Ad;
     }
 
 
@@ -144,6 +145,8 @@ int main(int argc, char* argv[]) {
 
 
         free(A);
+        free(Bh);
+        hipFree(Bd);
     }
 
 

tests/src/runtimeApi/memory/hipMemcpyAsync.cpp

@@ -41,7 +41,7 @@ void simpleNegTest() {
 
 
     // Not sure what happens here, the memory must be pinned.
-    e = hipMemcpyAsync(A_malloc, A_d, Nbytes, hipMemcpyHostToDevice, NULL);
+    e = hipMemcpyAsync(A_malloc, A_d, Nbytes, hipMemcpyDeviceToHost, NULL);
 
     printf("  async memcpy of A_malloc to A_d. Result=%d\n", e);
     // HIPASSERT (e==hipErrorInvalidValue);