Disable "GCC optimize" pragma for LCC

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>

include/fmt/core.h

@@ -286,7 +286,7 @@
 
 // Enable minimal optimizations for more compact code in debug mode.
 FMT_GCC_PRAGMA("GCC push_options")
-#if !defined(__OPTIMIZE__) && !defined(__NVCOMPILER)
+#if !defined(__OPTIMIZE__) && !defined(__NVCOMPILER) && !defined(__LCC__)
 FMT_GCC_PRAGMA("GCC optimize(\"Og\")")
 #endif