Merge remote-tracking branch 'origin/sycl' into uwe/fasternativecpuenqueue_async_ops_eventswait_onetbb_merge

Author: uwedolinsky

.github/CODEOWNERS

@@ -226,3 +226,4 @@ sycl/test-e2e/ThreadSanitizer/ @intel/dpcpp-sanitizers-review
 
 # ABI compatibility
 devops/compat_ci_exclude.sycl-rel-** @gmlueck @xtian-github
+sycl/test/abi/*sycl-rel*.dump @AlexeySachkov @KornevNikita

.github/workflows/sycl-nightly.yml

@@ -8,6 +8,21 @@ on:
 permissions: read-all
 
 jobs:
+  check_abi_symbols:
+    name: Check ABI symbols tests match release branch
+    runs-on: [Linux, build]
+    if: github.repository == 'intel/llvm'
+    container: ghcr.io/intel/llvm/ubuntu2404_build
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        sparse-checkout: |
+          sycl/test/abi
+    - run: |
+        git fetch --depth=1 origin sycl-rel-6_3
+        git diff --exit-code -I "^# RUN" origin/sycl-rel-6_3:sycl/test/abi/sycl_symbols_linux.dump sycl/test/abi/sycl_symbols_linux-sycl-rel-6_3.dump
+        git diff --exit-code -I "^# RUN" origin/sycl-rel-6_3:sycl/test/abi/sycl_symbols_windows.dump sycl/test/abi/sycl_symbols_windows-sycl-rel-6_3.dump
+
   ubuntu2204_build:
     if: github.repository == 'intel/llvm'
     uses: ./.github/workflows/sycl-linux-build.yml

devops/dependencies-igc-dev.json

@@ -1,10 +1,10 @@
 {
   "linux": {
     "igc_dev": {
-      "github_tag": "igc-dev-3c9eb3b",
-      "version": "3c9eb3b",
-      "updated_at": "2025-08-16T05:10:12Z",
-      "url": "https://api.github.com/repos/intel/intel-graphics-compiler/actions/artifacts/3778774566/zip",
+      "github_tag": "igc-dev-47c1f6e",
+      "version": "47c1f6e",
+      "updated_at": "2025-08-20T15:46:36Z",
+      "url": "https://api.github.com/repos/intel/intel-graphics-compiler/actions/artifacts/3810490997/zip",
       "root": "{DEPS_ROOT}/opencl/runtime/linux/oclgpu"
     }
   }

sycl/doc/EnvironmentVariables.md

@@ -68,51 +68,15 @@ class string_view {
 
   constexpr const char *data() const noexcept { return str ? str : ""; }
 
-  constexpr explicit operator std::string_view() const noexcept {
+  constexpr operator std::string_view() const noexcept {
+    if (str == nullptr)
+      return std::string_view{};
 #ifdef __INTEL_PREVIEW_BREAKING_CHANGES
     return std::string_view(str, len);
 #else
     return std::string_view(str);
 #endif
   }
-
-#ifdef __INTEL_PREVIEW_BREAKING_CHANGES
-  friend constexpr bool operator==(string_view lhs,
-                                   std::string_view rhs) noexcept {
-    return rhs == std::string_view(lhs);
-  }
-  friend constexpr bool operator==(std::string_view lhs,
-                                   string_view rhs) noexcept {
-    return lhs == std::string_view(rhs);
-  }
-
-  friend constexpr bool operator!=(string_view lhs,
-                                   std::string_view rhs) noexcept {
-    return rhs != std::string_view(lhs);
-  }
-  friend constexpr bool operator!=(std::string_view lhs,
-                                   string_view rhs) noexcept {
-    return lhs != std::string_view(rhs);
-  }
-#else
-  friend constexpr bool operator==(string_view lhs,
-                                   std::string_view rhs) noexcept {
-    return rhs == lhs.data();
-  }
-  friend constexpr bool operator==(std::string_view lhs,
-                                   string_view rhs) noexcept {
-    return lhs == rhs.data();
-  }
-
-  friend constexpr bool operator!=(string_view lhs,
-                                   std::string_view rhs) noexcept {
-    return rhs != lhs.data();
-  }
-  friend constexpr bool operator!=(std::string_view lhs,
-                                   string_view rhs) noexcept {
-    return lhs != rhs.data();
-  }
-#endif
 };
 
 } // namespace detail