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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2021-08-03 15:57:01 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2021-08-03 15:57:01 +0900 |
| commit | 2092bc7fe8a1cb188acf6248764173c1ccbb9040 (patch) | |
| tree | d113dad5045e0e215e0ac68f84031d62b3daca42 | |
| parent | fad47a98a7de4d560d8641f39eba2f3b18bfc7f3 (diff) | |
| download | mruby-2092bc7fe8a1cb188acf6248764173c1ccbb9040.tar.gz mruby-2092bc7fe8a1cb188acf6248764173c1ccbb9040.zip | |
codegen.c: avoid division by zero in constant folding.
| -rw-r--r-- | mrbgems/mruby-compiler/core/codegen.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c index 467b70e1b..0a0620589 100644 --- a/mrbgems/mruby-compiler/core/codegen.c +++ b/mrbgems/mruby-compiler/core/codegen.c @@ -784,7 +784,7 @@ gen_muldiv(codegen_scope *s, uint8_t op, uint16_t dst) goto normal; } struct mrb_insn_data data0 = mrb_decode_insn(mrb_prev_pc(s, data.addr)); - if (!get_int_operand(s, &data0, &n0)) { + if (!get_int_operand(s, &data0, &n0) || n == 0) { goto normal; } if (op == OP_MUL) { |