Merge branch 'master' of github.com:mruby/mruby

examples/targets/ArduinoDue.rb

@@ -53,6 +53,9 @@ MRuby::CrossBuild.new("Arduino Due") do |conf|
   #do not build executable test
   conf.build_mrbtest_lib_only
 
+  #disable C++ exception
+  conf.disable_cxx_exception
+
   #gems from core
   conf.gem :core => "mruby-print" 
   conf.gem :core => "mruby-math"

src/parse.y

@@ -3323,7 +3323,7 @@ backref_error(parser_state *p, node *n)
     yyerror_i(p, "can't set variable $%c", (int)(intptr_t)n->cdr);
   }
   else {
-    mrb_bug(p->mrb, "Internal error in backref_error() : n=>car == %d", c);
+    mrb_bug(p->mrb, "Internal error in backref_error() : n=>car == %S", mrb_fixnum_value(c));
   }
 }