Parallel recompilation: fewer handle dereferences and tighter checks.

src/mips/lithium-mips.cc

Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index b233d519e50edec8c24366cc6b253c443589c928..757ae1c768d1496e96ad032c8a53dde61a1a322f 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -928,7 +928,7 @@ LInstruction* LChunkBuilder::DoGoto(HGoto* instr) {
 LInstruction* LChunkBuilder::DoBranch(HBranch* instr) {
   HValue* value = instr->value();
   if (value->EmitAtUses()) {
-    HBasicBlock* successor = HConstant::cast(value)->ToBoolean()
+    HBasicBlock* successor = HConstant::cast(value)->BooleanValue()
         ? instr->FirstSuccessor()
         : instr->SecondSuccessor();
     return new(zone()) LGoto(successor->block_id());