rework shared refs to make them more compact and faster for the path api

Author: Asmod4n

build_config.rb

@@ -4,17 +4,17 @@ def for_windows?
         ('A'..'Z').to_a.any? { |vol| Dir.exist?("#{vol}:") }
     end
     unless for_windows?
-        conf.enable_sanitizer "address,undefined"
+        #conf.enable_sanitizer "address,undefined"
     end
-    conf.cxx.flags << '-fno-omit-frame-pointer' << '-g3' << '-ggdb3' << '-Og'
-    conf.cc.flags << '-fno-omit-frame-pointer' << '-g3' << '-ggdb3' << '-Og'
+    #conf.cxx.flags << '-fno-omit-frame-pointer' << '-g3' << '-ggdb3' << '-Og'
+    #conf.cc.flags << '-fno-omit-frame-pointer' << '-g3' << '-ggdb3' << '-Og'
     conf.enable_debug
     conf.cc.defines  << 'MRB_UTF8_STRING' << 'MRB_HIGH_PROFILE' << 'MRB_USE_MALLOC_TRIM'
     conf.cxx.defines << 'MRB_UTF8_STRING' << 'MRB_HIGH_PROFILE' << 'MRB_USE_MALLOC_TRIM'
     conf.enable_test
     conf.gembox 'default'
-    #conf.cc.flags << '-O3' << '-march=native'
-    #conf.cxx.flags << '-O3' << '-march=native'
+    conf.cc.flags << '-O3' << '-march=native' << '-g -fno-omit-frame-pointer'
+    conf.cxx.flags << '-O3' << '-march=native' << '-g -fno-omit-frame-pointer'
     conf.gem github: 'Asmod4n/mruby-benchmark-plus', branch: "main"
     conf.gem mgem: 'mruby-simplemsgpack'
     conf.gem mgem: 'mruby-fast-json'