[SYCL][NFC] Use /clang:-std= instead of /std: to set C++ standard (#18828)

0x12CC · mdtoguchi · web-flow · commit 000fba15a43d · 2025-06-12T15:09:05.000+02:00
The two options are similar but `/clang:-std=` works for C++ 23 on
Windows.

---------

Signed-off-by: Michael Aziz &lt;michael.aziz@intel.com&gt;
Co-authored-by: Michael Toguchi &lt;michael.d.toguchi@intel.com&gt;
diff --git a/sycl/test-e2e/lit.cfg.py b/sycl/test-e2e/lit.cfg.py
@@ -574,7 +574,7 @@ def open_check_file(file_name):
     )
     config.substitutions.append(("%include_option", "/FI"))
     config.substitutions.append(("%debug_option", "/Zi /DEBUG"))
-    config.substitutions.append(("%cxx_std_option", "/std:"))
+    config.substitutions.append(("%cxx_std_option", "/clang:-std="))
     config.substitutions.append(("%fPIC", ""))
     config.substitutions.append(("%shared_lib", "/LD"))
     config.substitutions.append(("%O0", "/Od"))

Original file line number	Diff line number	Diff line change
`@@ -574,7 +574,7 @@ def open_check_file(file_name):`
`574`	`574`	`)`
`575`	`575`	`config.substitutions.append(("%include_option", "/FI"))`
`576`	`576`	`config.substitutions.append(("%debug_option", "/Zi /DEBUG"))`
`577`		`- config.substitutions.append(("%cxx_std_option", "/std:"))`
	`577`	`+ config.substitutions.append(("%cxx_std_option", "/clang:-std="))`
`578`	`578`	`config.substitutions.append(("%fPIC", ""))`
`579`	`579`	`config.substitutions.append(("%shared_lib", "/LD"))`
`580`	`580`	`config.substitutions.append(("%O0", "/Od"))`