[turbofan] Osr value typing + dynamic type checks on entry.

src/compiler/instruction-selector.cc

Index: src/compiler/instruction-selector.cc
diff --git a/src/compiler/instruction-selector.cc b/src/compiler/instruction-selector.cc
index d8409a3f89c8250155d645b73b189ece198083d4..aeb846dfb768422542366711ffddf9a8ae9c0ef1 100644
--- a/src/compiler/instruction-selector.cc
+++ b/src/compiler/instruction-selector.cc
@@ -1723,7 +1723,7 @@ void InstructionSelector::VisitIfException(Node* node) {
 
 void InstructionSelector::VisitOsrValue(Node* node) {
   OperandGenerator g(this);
-  int index = OpParameter<int>(node);
+  int index = OsrValueIndexOf(node->op());
   Emit(kArchNop,
        g.DefineAsLocation(node, linkage()->GetOsrValueLocation(index)));
 }