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Bug 1265280 - Temporary debugging code to crash with a useful abort message. r=khuey

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MozReview-Commit-ID: G1XOUcfwY20

--HG--
extra : transplant_source : %3E%09%CFW%F0%7E%EA%3A0%F3AU%B1%89%F8%A0%24%07%86%BC
This commit is contained in:
L. David Baron 2016-04-23 14:17:24 -07:00
parent 28a65dfb2e
commit 5036e4c66e
1 changed files with 8 additions and 0 deletions
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8
layout/base/nsDisplayList.cpp
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@ -2168,6 +2168,14 @@ static bool IsCSSOrderLEQ(nsDisplayItem* aItem1, nsDisplayItem* aItem2, void*) {
static bool IsZOrderLEQ(nsDisplayItem* aItem1, nsDisplayItem* aItem2,
void* aClosure) {
{
// TEMPORARY debugging code for bug 1265280
nsIFrame* f2 = aItem2->Frame();
if (!f2 || !f2->StyleContext()) {
NS_RUNTIMEABORT(nsPrintfCString("bad display item %p type %s frame %p",
aItem2, aItem2->Name(), f2).get());
}
}
// Note that we can't just take the difference of the two
// z-indices here, because that might overflow a 32-bit int.
return aItem1->ZIndex() <= aItem2->ZIndex();