[Openmp-commits] [libcxx] [openmp] [libc++] basic_ios<wchar_t> cannot store fill character WCHAR_MAX (PR #89305)

[Xing Xue via Openmp-commits]

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@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// Test that WCHAR_MAX as a wchar_t value can be set as the fill character.
+
+// UNSUPPORTED: no-wide-characters
+
+// Expect the test case to fail on targets where WEOF is the same as
+// WCHAR_MAX with the libcpp ABI version 1 implementation. The libcpp ABI
+// version 2 implementation fixes the problem.
+
+// XFAIL: target={{.*}}-windows{{.*}} && libcpp-abi-version=1
+// XFAIL: target=armv{{71|81}}-linux-gnueabihf && libcpp-abi-version=1
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xingxue-ibm wrote:

Ah, good catch, thanks!

https://github.com/llvm/llvm-project/pull/89305