[turbofan] Add support for Int32SubWithOverflow.

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 ec68265721d818dae9e971e7cbba086ddc6df9ba..fd33f85cd82e14a5782c7a53390d9ca14510d568 100644
--- a/src/compiler/x64/instruction-selector-x64.cc
+++ b/src/compiler/x64/instruction-selector-x64.cc
@@ -399,6 +399,11 @@ void InstructionSelector::VisitInt32Sub(Node* node) {
 }
 
 
+void InstructionSelector::VisitInt32SubWithOverflow(Node* node) {
+  VisitBinopWithOverflow(this, node, kX64Sub32);
+}
+
+
 void InstructionSelector::VisitInt64Sub(Node* node) {
   VisitSub<int64_t>(this, node, kX64Sub, kX64Neg);
 }