Fix compilation issue for unreachable statements

rocm_bandwidth_test.cpp

@@ -789,7 +789,7 @@ RocmBandwidthTest::RocmBandwidthTest(int argc, char** argv) : BaseTest() {
   // Initialize version of the test
   version_.major_id = 2;
   version_.minor_id = 3;
-  version_.step_id = 2;
+  version_.step_id = 3;
   version_.reserved = 0;
 
   bw_iter_cnt_ = getenv("ROCM_BW_ITER_CNT");

rocm_bandwidth_test_print.cpp

@@ -204,6 +204,7 @@ std::string GetValueAsString(uint32_t key, uint32_t value) {
   }
   std::cout << "An illegal key to get value for" << std::endl;
   assert(false);
+  return "";
 }
 
 void RocmBandwidthTest::PrintLinkPropsMatrix(uint32_t key) const {