fix error check in assert

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154971 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/Support/LocaleXlocale.inc b/lib/Support/LocaleXlocale.inc
index c3f3e4e092..f595e7c582 100644
--- a/lib/Support/LocaleXlocale.inc
+++ b/lib/Support/LocaleXlocale.inc
@@ -21,7 +21,7 @@ namespace {
       assert(s.size()==strlen(s.c_str()));
 
       size_t size = mbstowcs_l(NULL,s.c_str(),0,l);
-      assert(size>=0);
+      assert(size!=(size_t)-1);
       if (size==0)
         return 0;
       llvm::SmallVector<wchar_t,200> ws(size);