kumquat-buildroot/package/lua/lua-bug3-boolean_expression.patch

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--- lua-5.1.4.orig/src/lcode.c 2007/12/28 15:32:23 2.25.1.3
+++ lua-5.1.4/src/lcode.c 2009/06/15 14:07:34
@@ -544,15 +544,18 @@
pc = NO_JUMP; /* always true; do nothing */
break;
}
- case VFALSE: {
- pc = luaK_jump(fs); /* always jump */
- break;
- }
case VJMP: {
invertjump(fs, e);
pc = e->u.s.info;
break;
}
+ case VFALSE: {
+ if (!hasjumps(e)) {
+ pc = luaK_jump(fs); /* always jump */
+ break;
+ }
+ /* else go through */
+ }
default: {
pc = jumponcond(fs, e, 0);
break;
@@ -572,14 +575,17 @@
pc = NO_JUMP; /* always false; do nothing */
break;
}
- case VTRUE: {
- pc = luaK_jump(fs); /* always jump */
- break;
- }
case VJMP: {
pc = e->u.s.info;
break;
}
+ case VTRUE: {
+ if (!hasjumps(e)) {
+ pc = luaK_jump(fs); /* always jump */
+ break;
+ }
+ /* else go through */
+ }
default: {
pc = jumponcond(fs, e, 1);
break;