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'mod' may also raise an error when applied to zero

This commit is contained in:
Roberto Ierusalimschy 2005-11-16 09:55:27 -02:00
parent 2753134a38
commit 521a452f28
1 changed files with 4 additions and 2 deletions
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6
lcode.c
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@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.20 2005/10/24 17:37:52 roberto Exp roberto $
** $Id: lcode.c,v 2.21 2005/11/08 19:44:31 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@ -639,7 +639,9 @@ static int constfolding (OpCode op, expdesc *e1, expdesc *e2) {
case OP_DIV:
if (v2 == 0) return 0; /* do not attempt to divide by 0 */
r = luai_numdiv(v1, v2); break;
case OP_MOD: r = luai_nummod(v1, v2); break;
case OP_MOD:
if (v2 == 0) return 0; /* do not attempt to divide by 0 */
r = luai_nummod(v1, v2); break;
case OP_POW: r = luai_numpow(v1, v2); break;
case OP_UNM: r = luai_numunm(v1); break;
case OP_LEN: return 0; /* no constant folding for 'len' */