Deprecate the %IsConstructCall intrinsic completely.

src/crankshaft/mips64/lithium-mips64.cc

Index: src/crankshaft/mips64/lithium-mips64.cc
diff --git a/src/crankshaft/mips64/lithium-mips64.cc b/src/crankshaft/mips64/lithium-mips64.cc
index e43bda84959d7f4c94beaf6f85f325665a1ff35a..cd21c8104bc09111fecfef47664ee9a792cab1a0 100644
--- a/src/crankshaft/mips64/lithium-mips64.cc
+++ b/src/crankshaft/mips64/lithium-mips64.cc
@@ -2483,12 +2483,6 @@ 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;