From 60707939ded6603e4242f0bc361cfdc7f077d31f Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Fri, 2 Feb 2018 22:29:54 +0000
Subject: Fix incorrect usage of std::is_assignable.

We want to check that we can assign to an lvalue here, not a prvalue.

llvm-svn: 324152
---
 llvm/unittests/ADT/StringRefTest.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'llvm/unittests/ADT/StringRefTest.cpp')

diff --git a/llvm/unittests/ADT/StringRefTest.cpp b/llvm/unittests/ADT/StringRefTest.cpp
index 0e0b5957f02..8c4099e6e81 100644
--- a/llvm/unittests/ADT/StringRefTest.cpp
+++ b/llvm/unittests/ADT/StringRefTest.cpp
@@ -40,22 +40,22 @@ std::ostream &operator<<(std::ostream &OS,
 // std::is_assignable and actually writing such an assignment.
 #if !defined(_MSC_VER)
 static_assert(
-    !std::is_assignable<StringRef, std::string>::value,
+    !std::is_assignable<StringRef&, std::string>::value,
     "Assigning from prvalue std::string");
 static_assert(
-    !std::is_assignable<StringRef, std::string &&>::value,
+    !std::is_assignable<StringRef&, std::string &&>::value,
     "Assigning from xvalue std::string");
 static_assert(
-    std::is_assignable<StringRef, std::string &>::value,
+    std::is_assignable<StringRef&, std::string &>::value,
     "Assigning from lvalue std::string");
 static_assert(
-    std::is_assignable<StringRef, const char *>::value,
+    std::is_assignable<StringRef&, const char *>::value,
     "Assigning from prvalue C string");
 static_assert(
-    std::is_assignable<StringRef, const char * &&>::value,
+    std::is_assignable<StringRef&, const char * &&>::value,
     "Assigning from xvalue C string");
 static_assert(
-    std::is_assignable<StringRef, const char * &>::value,
+    std::is_assignable<StringRef&, const char * &>::value,
     "Assigning from lvalue C string");
 #endif
 
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