Replace HThrow with HCallRuntime.

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 ee64f8ee030f4605d431240c0e992f0731cb4724..ce716ca07c85ed3c956d64d1717d8182880d33f6 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -1693,13 +1693,6 @@ LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoThrow(HThrow* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* value = UseFixed(instr->value(), a0);
-  return MarkAsCall(new(zone()) LThrow(context, value), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) {
   return NULL;
 }