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Update lua 5.4.3

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Cloud Wu
2021-03-30 10:09:43 +08:00
parent 11165ce727
commit e0d4fda24e
9 changed files with 105 additions and 58 deletions
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5
3rd/lua/ldebug.c
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@@ -50,6 +50,8 @@ static int currentpc (CallInfo *ci) {
** an integer division gets the right place. When the source file has
** large sequences of empty/comment lines, it may need extra entries,
** so the original estimate needs a correction.
** If the original estimate is -1, the initial 'if' ensures that the
** 'while' will run at least once.
** The assertion that the estimate is a lower bound for the correct base
** is valid as long as the debug info has been generated with the same
** value for MAXIWTHABS or smaller. (Previous releases use a little
@@ -63,7 +65,8 @@ static int getbaseline (const Proto *f, int pc, int *basepc) {
else {
int i = cast_uint(pc) / MAXIWTHABS - 1; /* get an estimate */
/* estimate must be a lower bond of the correct base */
lua_assert(i < f->sizeabslineinfo && f->abslineinfo[i].pc <= pc);
lua_assert(i < 0 ||
(i < f->sizeabslineinfo && f->abslineinfo[i].pc <= pc));
while (i + 1 < f->sizeabslineinfo && pc >= f->abslineinfo[i + 1].pc)
i++; /* low estimate; adjust it */
*basepc = f->abslineinfo[i].pc;