Add CarlaString operators back again, gcc is not that smart...

source/utils/CarlaString.hpp

@@ -575,11 +575,21 @@ public:
         return (strBuf != nullptr && std::strcmp(fBuffer, strBuf) == 0);
     }
 
+    bool operator==(const CarlaString& str) const noexcept
+    {
+        return operator==(str.fBuffer);
+    }
+
     bool operator!=(const char* const strBuf) const noexcept
     {
         return !operator==(strBuf);
     }
 
+    bool operator!=(const CarlaString& str) const noexcept
+    {
+        return !operator==(str.fBuffer);
+    }
+
     CarlaString& operator=(const char* const strBuf) noexcept
     {
         _dup(strBuf);
@@ -587,6 +597,13 @@ public:
         return *this;
     }
 
+    CarlaString& operator=(const CarlaString& str) noexcept
+    {
+        _dup(str.fBuffer);
+
+        return *this;
+    }
+
     CarlaString& operator+=(const char* const strBuf) noexcept
     {
         if (strBuf == nullptr)
@@ -603,6 +620,11 @@ public:
         return *this;
     }
 
+    CarlaString& operator+=(const CarlaString& str) noexcept
+    {
+        return operator+=(str.fBuffer);
+    }
+
     CarlaString operator+(const char* const strBuf) noexcept
     {
         const size_t newBufSize = fBufferLen + ((strBuf != nullptr) ? std::strlen(strBuf) : 0) + 1;