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Fix bug in generic case for gen_checktype

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When checking for T_HASH, which is Qnil and when the type check succeeds
we were outputting to the stack a Qnil instead of a Qtrue.
This commit is contained in:
Alan Wu 2021-06-18 19:05:02 -04:00
parent 7d252186fe
commit da20ff1644
2 changed files with 21 additions and 0 deletions
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20
bootstraptest/test_yjit.rb
View file

@ -1154,6 +1154,26 @@ assert_equal '7', %q{
foo(5,2)
}
# test pattern matching
assert_equal '[:ok, :ok]', %q{
class C
def destructure_keys
{}
end
end
pattern_match = ->(i) do
case i
in a: 0
:ng
else
:ok
end
end
[{}, C.new].map(&pattern_match)
}
# Call to object with singleton
assert_equal '123', %q{
obj = Object.new

1
yjit_codegen.c
View file

@ -1421,6 +1421,7 @@ gen_checktype(jitstate_t* jit, ctx_t* ctx)
mov(cb, REG0, mem_opnd(64, REG0, offsetof(struct RBasic, flags)));
and(cb, REG0, imm_opnd(RUBY_T_MASK));
cmp(cb, REG0, imm_opnd(type_val));
mov(cb, REG0, imm_opnd(Qtrue));
mov(cb, REG1, imm_opnd(Qfalse));
cmovne(cb, REG0, REG1);