Deprecate the %IsConstructCall intrinsic completely.

src/crankshaft/mips/lithium-mips.cc

Index: src/crankshaft/mips/lithium-mips.cc
diff --git a/src/crankshaft/mips/lithium-mips.cc b/src/crankshaft/mips/lithium-mips.cc
index 0cf02da962dd2a5ac1c1445dbf090668976a0727..3f03f2abab3488246361dcd3eebd9314ddbf4341 100644
--- a/src/crankshaft/mips/lithium-mips.cc
+++ b/src/crankshaft/mips/lithium-mips.cc
@@ -2478,12 +2478,6 @@ LInstruction* LChunkBuilder::DoTypeofIsAndBranch(HTypeofIsAndBranch* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoIsConstructCallAndBranch(
-    HIsConstructCallAndBranch* instr) {
-  return new(zone()) LIsConstructCallAndBranch(TempRegister());
-}
-
-
 LInstruction* LChunkBuilder::DoSimulate(HSimulate* instr) {
   instr->ReplayEnvironment(current_block_->last_environment());
   return NULL;