Specialize GenericUnaryStub so that it knows whether it needs to...

src/codegen.cc

Index: src/codegen.cc
===================================================================
--- src/codegen.cc	(revision 5015)
+++ src/codegen.cc	(working copy)
@@ -460,11 +460,17 @@
 const char* GenericUnaryOpStub::GetName() {
   switch (op_) {
     case Token::SUB:
-      return overwrite_
-          ? "GenericUnaryOpStub_SUB_Overwrite"
-          : "GenericUnaryOpStub_SUB_Alloc";
+      if (negative_zero_ == kStrictNegativeZero) {
+        return overwrite_ == UNARY_OVERWRITE
+            ? "GenericUnaryOpStub_SUB_Overwrite_Strict0"
+            : "GenericUnaryOpStub_SUB_Alloc_Strict0";
+      } else {
+        return overwrite_ == UNARY_OVERWRITE
+            ? "GenericUnaryOpStub_SUB_Overwrite_Ignore0"
+            : "GenericUnaryOpStub_SUB_Alloc_Ignore0";
+      }
     case Token::BIT_NOT:
-      return overwrite_
+      return overwrite_ == UNARY_OVERWRITE
           ? "GenericUnaryOpStub_BIT_NOT_Overwrite"
           : "GenericUnaryOpStub_BIT_NOT_Alloc";
     default: