[turbofan] Introduce prediction for exception handlers.

src/compiler/x64/instruction-selector-x64.cc

Index: src/compiler/x64/instruction-selector-x64.cc
diff --git a/src/compiler/x64/instruction-selector-x64.cc b/src/compiler/x64/instruction-selector-x64.cc
index 26d8960b913f897c458f9de1ba0cad07959786d4..df0f8809a7bb87c2c3c33246959cbea2eb8ec2f8 100644
--- a/src/compiler/x64/instruction-selector-x64.cc
+++ b/src/compiler/x64/instruction-selector-x64.cc
@@ -1047,6 +1047,11 @@ void InstructionSelector::VisitCall(Node* node, BasicBlock* handler) {
   // Pass label of exception handler block.
   CallDescriptor::Flags flags = descriptor->flags();
   if (handler) {
+    DCHECK_EQ(IrOpcode::kIfException, handler->front()->opcode());
+    IfExceptionHint hint = OpParameter<IfExceptionHint>(handler->front());
+    if (hint == IfExceptionHint::kLocallyCaught) {
+      flags |= CallDescriptor::kHasLocalCatchHandler;
+    }
     flags |= CallDescriptor::kHasExceptionHandler;
     buffer.instruction_args.push_back(g.Label(handler));
   }