diff options
| -rw-r--r-- | mrbgems/mruby-compiler/core/codegen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c index 4b55ca6ff..1bac4e061 100644 --- a/mrbgems/mruby-compiler/core/codegen.c +++ b/mrbgems/mruby-compiler/core/codegen.c @@ -323,12 +323,13 @@ struct mrb_insn_data mrb_decode_insn(const mrb_code *pc) { struct mrb_insn_data data = { 0 }; - data.addr = pc; + if (pc == 0) return data; mrb_code insn = READ_B(); uint16_t a = 0; uint16_t b = 0; uint16_t c = 0; + data.addr = pc; switch (insn) { #define FETCH_Z() /* empty */ #define OPCODE(i,x) case OP_ ## i: FETCH_ ## x (); break; |