unsupported test on win. fix trim balance

sycl/source/detail/kernel_bundle_impl.hpp

@@ -361,11 +361,21 @@ class kernel_bundle_impl {
   }
 
   std::string trimXsFlags(std::string &str) {
-    auto start = std::find_if(str.begin(), str.end(), [](char c) {
-      return !std::isspace(c) && c != '\'' && c != '"';
+    // trim first and last quote if they exist, but no others.
+    char encounteredQuote = '\0';
+    auto start = std::find_if(str.begin(), str.end(), [&](char c) {
+      if (!encounteredQuote && (c == '\'' || c == '"')) {
+        encounteredQuote = c;
+        return false;
+      }
+      return !std::isspace(c);
     });
-    auto end = std::find_if(str.rbegin(), str.rend(), [](char c) {
-                 return !std::isspace(c) && c != '\'' && c != '"';
+    auto end = std::find_if(str.rbegin(), str.rend(), [&](char c) {
+                 if (c == encounteredQuote) {
+                   encounteredQuote = '\0';
+                   return false;
+                 }
+                 return !std::isspace(c);
                }).base();
     if (start != std::end(str) && end != std::begin(str) && start < end) {
       return std::string(start, end);

sycl/test-e2e/KernelCompiler/sycl_device_flags.cpp

@@ -7,16 +7,19 @@
 //===----------------------------------------------------------------------===//
 
 // REQUIRES: level_zero
+// UNSUPPORTED: windows
+
+// IGC shader dump not available on Windows
 
 // RUN: %{build} -o %t.out
 // RUN: env IGC_DumpToCustomDir=%t.dump IGC_ShaderDumpEnable=1 NEO_CACHE_PERSISTENT=0 %{run} %t.out
-// RUN: grep -ze-exp-register-file-size=256 %t.dump/OCL_asmaf99e2d4667ef6d3_options.txt
+// RUN: grep -e '-doubleGRF' %t.dump/OCL_asmaf99e2d4667ef6d3_options.txt
 
 // clang-format off
 /*
     clang++ -fsycl -o sdf.bin sycl_device_flags.cpp
     IGC_ShaderDumpEnable=1 IGC_DumpToCustomDir=./dump NEO_CACHE_PERSISTENT=0 ./sdf.bin 
-    grep -ze-exp-register-file-size=256 ./dump/OCL_asmaf99e2d4667ef6d3_options.txt
+    grep -e '-doubleGRF' ./dump/OCL_asmaf99e2d4667ef6d3_options.txt
 
     Note: there are files named  xxx_options.txt and xxx_internal_options.txt in
     the IGC dump directory. The file with "internal_options.txt"  is NOT the
@@ -77,7 +80,7 @@ int main() {
   source_kb kbSrc = syclex::create_kernel_bundle_from_source(
       ctx, syclex::source_language::sycl, SYCLSource);
 
-  std::vector<std::string> flags{"-Xs '-ze-exp-register-file-size=256'"};
+  std::vector<std::string> flags{"-Xs '-doubleGRF'"};
   exe_kb kbExe =
       syclex::build(kbSrc, syclex::properties{syclex::build_options{flags}});