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Bug 607856 - long hang loading page. r=dvander.

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--HG--
extra : convert_revision : 18279f425cd8e3f63f7a13cd1b1b62cba57b7ecd
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Nicholas Nethercote 2010-11-02 16:16:40 -07:00
parent 5087f3ef8f
commit eb3581d4c6
1 changed files with 3 additions and 1 deletions
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4
js/src/nanojit/LIR.cpp
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@ -2574,7 +2574,9 @@ namespace nanojit
ins = out->ins2(op, a, b);
addNL(LIns2, ins, k);
} else if (ins->isCmp()) {
if (knownCmpValues.containsKey(ins)) {
// XXX: temporarily disabled because it exposed latent problems
// that caused bug 607856. See also bug 609129.
if (0 && knownCmpValues.containsKey(ins)) {
// We've seen this comparison before, and it was previously
// used in a guard, so we know what its value must be at this
// point. Replace it with a constant.