From 20799cc44a5d95bb2b0cf44c60e1470945c34050 Mon Sep 17 00:00:00 2001
From: Craig Hutchinson <craig@crog.co.uk>
Date: Thu, 3 Dec 2015 14:38:25 +0000
Subject: [PATCH] Fixed std::isalnum()

---
 include/internal/catch_test_case_info.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/internal/catch_test_case_info.hpp b/include/internal/catch_test_case_info.hpp
index 90f53411..a9d73ac3 100644
--- a/include/internal/catch_test_case_info.hpp
+++ b/include/internal/catch_test_case_info.hpp
@@ -30,7 +30,7 @@ namespace Catch {
             return TestCaseInfo::None;
     }
     inline bool isReservedTag( std::string const& tag ) {
-        return parseSpecialTag( tag ) == TestCaseInfo::None && tag.size() > 0 && !isalnum( tag[0] );
+        return parseSpecialTag( tag ) == TestCaseInfo::None && tag.size() > 0 && !std::isalnum( tag[0] );
     }
     inline void enforceNotReservedTag( std::string const& tag, SourceLineInfo const& _lineInfo ) {
         if( isReservedTag( tag ) ) {