[turbofan] Introduce integer multiplication with overflow.

src/compiler/instruction-selector-impl.h

Index: src/compiler/instruction-selector-impl.h
diff --git a/src/compiler/instruction-selector-impl.h b/src/compiler/instruction-selector-impl.h
index 616b6a53810cf02bbbd68f16b585e24c884edd5a..63804b88e642f65fabd2c461cd9bbc17b3a25f8b 100644
--- a/src/compiler/instruction-selector-impl.h
+++ b/src/compiler/instruction-selector-impl.h
@@ -143,6 +143,10 @@ class OperandGenerator {
     return sequence()->AddImmediate(ToConstant(node));
   }
 
+  InstructionOperand UseImmediate(int immediate) {
+    return sequence()->AddImmediate(Constant(immediate));
+  }
+
   InstructionOperand UseLocation(Node* node, LinkageLocation location) {
     return Use(node, ToUnallocatedOperand(location, GetVReg(node)));
   }