[SYCL] Fix crash for case when a device image has no kernels (#5624)

When a device image has no kernel a vector of KernelIDs is not
allocated for it, so dereferencing pointer to it is not correct.

Author: romanovvlad

sycl/source/detail/program_manager/program_manager.cpp

@@ -1506,7 +1506,7 @@ ProgramManager::getSYCLDeviceImagesWithCompatibleState(
         std::lock_guard<std::mutex> KernelIDsGuard(m_KernelIDsMutex);
         KernelIDs = m_BinImg2KernelIDs[BinImage];
         // If the image does not contain any non-service kernels we can skip it.
-        if (KernelIDs->empty())
+        if (!KernelIDs || KernelIDs->empty())
           continue;
       }
 

sycl/unittests/SYCL2020/KernelBundle.cpp

@@ -72,12 +72,16 @@ generateDefaultImage(std::initializer_list<std::string> KernelNames,
   return Img;
 }
 
-static sycl::unittest::PiImage Imgs[2] = {
+static sycl::unittest::PiImage Imgs[3] = {
     generateDefaultImage({"TestKernel"}, PI_DEVICE_BINARY_TYPE_SPIRV,
                          __SYCL_PI_DEVICE_BINARY_TARGET_SPIRV64),
     generateDefaultImage({"TestKernelExeOnly"}, PI_DEVICE_BINARY_TYPE_NATIVE,
+                         __SYCL_PI_DEVICE_BINARY_TARGET_SPIRV64_X86_64),
+    // A device image without entires
+    generateDefaultImage({},
+                         PI_DEVICE_BINARY_TYPE_NATIVE,
                          __SYCL_PI_DEVICE_BINARY_TARGET_SPIRV64_X86_64)};
-static sycl::unittest::PiImageArray<2> ImgArray{Imgs};
+static sycl::unittest::PiImageArray<3> ImgArray{Imgs};
 
 TEST(KernelBundle, GetKernelBundleFromKernel) {
   sycl::platform Plt{sycl::default_selector()};