[SYCL][ESIMD] Enable ctor_broadcast_fp_extra ESIMD test (#1387)

intel/llvm#7401 fixes host-side minimal
subnormal half values, which in turn fixes generate_ref_conv_data
in value_conv.hpp. This causes ctor_broadcast_fp_extra to unexpectedly
pass. This commit enables ctor_broadcast_fp_extra.

Signed-off-by: Larsen, Steffen <[email protected]>

Author: steffenlarsen

SYCL/ESIMD/api/functional/ctors/ctor_broadcast_fp_extra.cpp

@@ -13,9 +13,9 @@
 // UNSUPPORTED: cuda, hip
 // RUN: %clangxx -fsycl %s -fsycl-device-code-split=per_kernel -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
-// XFAIL: *
-// TODO The simd filled with unexpected values if the source type is floating
-// point type.
+//
+// XFAIL: windows
+// TODO: This test currently fails on windows. Remove above XFAIL when fixed.
 //
 // Test for simd broadcast constructor.
 // This test uses fp extra data types, sizes and different simd constructor