Use macros for the likely/unlikely attributes

The syntax parser for GCC 8 (and earlier?) fails when these attributes are in
certain places.

1 files changed, 1 insertions, 1 deletions

diff --git a/core/except.cpp b/core/except.cpp
index ba4759a3..45fd4eb5 100644
--- a/core/except.cpp
+++ b/core/except.cpp
@@ -18,7 +18,7 @@ void base_exception::setMessage(const char* msg, std::va_list args)
     std::va_list args2;
     va_copy(args2, args);
     int msglen{std::vsnprintf(nullptr, 0, msg, args)};
-    if(msglen > 0) [[likely]]
+    if(msglen > 0) LIKELY
     {
         mMessage.resize(static_cast<size_t>(msglen)+1);
         std::vsnprintf(const_cast<char*>(mMessage.data()), mMessage.length(), msg, args2);