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Exit when the object is frozen

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Exit when the object is frozen, also add tests
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Aaron Patterson 2021-09-03 16:06:32 -07:00 • committed by Alan Wu
parent 376f5ec1a1
commit 640b162b51
3 changed files with 41 additions and 0 deletions
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yjit_codegen.c
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@ -1447,6 +1447,11 @@ gen_set_ivar(jitstate_t *jit, ctx_t *ctx, const int max_chain_depth, VALUE compt
VALUE comptime_val_klass = CLASS_OF(comptime_receiver);
const ctx_t starting_context = *ctx; // make a copy for use with jit_chain_guard
ADD_COMMENT(cb, "guard self is not frozen");
x86opnd_t flags_opnd = member_opnd(REG0, struct RBasic, flags);
test(cb, flags_opnd, imm_opnd(RUBY_FL_FREEZE));
jnz_ptr(cb, COUNTED_EXIT(side_exit, setivar_frozen));
// If the class uses the default allocator, instances should all be T_OBJECT
// NOTE: This assumes nobody changes the allocator of the class after allocation.
// Eventually, we can encode whether an object is T_OBJECT or not