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Fixed bug: line hooks in stripped functions

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Line-hook handling was accessing debug info. without checking whether
it was present.
This commit is contained in:
Roberto Ierusalimschy
2020-07-27 13:23:05 -03:00
parent a585eae6e7
commit ae5b5ba529
2 changed files with 21 additions and 2 deletions
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4
ldebug.c
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@@ -783,11 +783,13 @@ l_noret luaG_runerror (lua_State *L, const char *fmt, ...) {
** previous instruction 'oldpc'.
*/
static int changedline (const Proto *p, int oldpc, int newpc) {
if (p->lineinfo == NULL) /* no debug information? */
return 0;
while (oldpc++ < newpc) {
if (p->lineinfo[oldpc] != 0)
return (luaG_getfuncline(p, oldpc - 1) != luaG_getfuncline(p, newpc));
}
return 0; /* no line changes in the way */
return 0; /* no line changes between positions */
}