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Fixed false-positive integer demotions on non-number types (bug 461945, r=gal)

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This commit is contained in:
David Anderson 2008-10-28 16:33:01 -07:00
parent 25404443ff
commit 55c302718d
1 changed files with 2 additions and 2 deletions
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4
js/src/jstracer.cpp
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@ -1996,7 +1996,7 @@ TraceRecorder::deduceTypeStability(Fragment* root_peer, Fragment** stable_peer,
debug_only_v(printf("%s%d ", vpname, vpnum);)
if (!checkType(*vp, *m, stage_vals[stage_count], stage_ins[stage_count], stage_count)) {
/* If the failure was an int->double, tell the oracle. */
if (*m == JSVAL_INT && !isi2f(get(vp)))
if (*m == JSVAL_INT && isNumber(*vp) && !isPromoteInt(get(vp)))
oracle.markGlobalSlotUndemotable(cx->fp->script, gslots[n]);
trashTree = true;
goto checktype_fail_1;
@ -2007,7 +2007,7 @@ TraceRecorder::deduceTypeStability(Fragment* root_peer, Fragment** stable_peer,
FORALL_SLOTS_IN_PENDING_FRAMES(cx, 0,
debug_only_v(printf("%s%d ", vpname, vpnum);)
if (!checkType(*vp, *m, stage_vals[stage_count], stage_ins[stage_count], stage_count)) {
if (*m == JSVAL_INT && !isi2f(get(vp)))
if (*m == JSVAL_INT && isNumber(*vp) && !isPromoteInt(get(vp)))
ADD_DEMOTE_SLOT(demotes, unsigned(m - typemap));
else
goto checktype_fail_1;