[PATCH] D31966: [libcxx] [test] Avoid Clang's -Wunused-const-variable in is_constructible.pass.cpp.

[Stephan T. Lavavej via Phabricator via cfe-commits]

STL_MSFT created this revision.

[libcxx] [test] Avoid Clang's -Wunused-const-variable in is_constructible.pass.cpp.

This happens when using Clang with MSVC's STL, so there are no actual uses of this variable.


https://reviews.llvm.org/D31966

Files:
  test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp


Index: test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp
===================================================================
--- test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp
+++ test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp
@@ -251,6 +251,7 @@
     LIBCPP_STATIC_ASSERT(
         clang_disallows_valid_static_cast_bug !=
         std::__libcpp_is_constructible<int&&, ExplicitTo<int&&>>::value, "");
+    ((void)clang_disallows_valid_static_cast_bug); // Prevent unused warning
 #else
     static_assert(clang_disallows_valid_static_cast_bug == false, "");
     LIBCPP_STATIC_ASSERT(std::__libcpp_is_constructible<int&&, ExplicitTo<int&&>>::value, "");


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