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Fix: #230 cause of overflow

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GreasySlug 2022-11-13 17:20:20 +09:00
parent 998f267c6c
commit 292a6c9301
1 changed files with 3 additions and 0 deletions
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3
compiler/erg_compiler/codegen.rs
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@ -753,6 +753,9 @@ impl PyCodeGenerator {
} }
fn cancel_if_pop_top(&mut self) { fn cancel_if_pop_top(&mut self) {
if self.cur_block_codeobj().code.len() < 2 {
return;
}
let lasop_t_idx = self.cur_block_codeobj().code.len() - 2; let lasop_t_idx = self.cur_block_codeobj().code.len() - 2;
if self.cur_block_codeobj().code.get(lasop_t_idx) == Some(&(POP_TOP as u8)) { if self.cur_block_codeobj().code.get(lasop_t_idx) == Some(&(POP_TOP as u8)) {
self.mut_cur_block_codeobj().code.pop(); self.mut_cur_block_codeobj().code.pop();