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-rw-r--r--test/ruby/test_symbol.rb12
-rw-r--r--vm.c2
2 files changed, 13 insertions, 1 deletions
diff --git a/test/ruby/test_symbol.rb b/test/ruby/test_symbol.rb
index e7f3d5a527..ba3256b820 100644
--- a/test/ruby/test_symbol.rb
+++ b/test/ruby/test_symbol.rb
@@ -514,4 +514,16 @@ class TestSymbol < Test::Unit::TestCase
assert_not_equal sym.to_sym.hash,
`#{ruby} -e 'puts #{sym.inspect}.to_sym.hash'`.to_i
end
+
+ def test_eq_can_be_redefined
+ assert_in_out_err([], <<-RUBY, ["foo"], [])
+ class Symbol
+ def ==(obj)
+ "foo"
+ end
+ end
+
+ puts :a == :a
+ RUBY
+ end
end
diff --git a/vm.c b/vm.c
index 6ff1d234a3..814f8b6780 100644
--- a/vm.c
+++ b/vm.c
@@ -1576,7 +1576,7 @@ vm_init_redefined_flag(void)
OP(MULT, MULT), (C(Integer), C(Float));
OP(DIV, DIV), (C(Integer), C(Float));
OP(MOD, MOD), (C(Integer), C(Float));
- OP(Eq, EQ), (C(Integer), C(Float), C(String));
+ OP(Eq, EQ), (C(Integer), C(Float), C(String), C(Symbol));
OP(Eqq, EQQ), (C(Integer), C(Float), C(Symbol), C(String),
C(NilClass), C(TrueClass), C(FalseClass));
OP(LT, LT), (C(Integer), C(Float));