Ruben Van Boxem: Turn islower_l and isupper_l into functions (instead of macros) on Windows only to quell a warning during libc++ building.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@179408 91177308-0d34-0410-b5e6-96231b3b80d8

include/support/win32/locale_win32.h

@@ -65,8 +65,21 @@ decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l )
 #define strtoull_l _strtoui64_l
 // FIXME: current msvcrt does not know about long double
 #define strtold_l _strtod_l
-#define islower_l _islower_l
-#define isupper_l _isupper_l
+
+inline _LIBCPP_INLINE_VISIBILITY
+int
+islower_l(int c, _locale_t loc)
+{
+ return _islower_l((int)c, loc);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int
+isupper_l(int c, _locale_t loc)
+{
+ return _isupper_l((int)c, loc);
+}
+
 #define isdigit_l _isdigit_l
 #define isxdigit_l _isxdigit_l
 #define strcoll_l _strcoll_l