Replace DeoptimizeOnUndefined with whitelisting AllowUndefinedAsNan

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index a02d3ce1d281c3a5995172637dc0c2168575ce9c..8c056f77431730521f96a51edd2b7ec7036371e1 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -5084,7 +5084,7 @@ void LCodeGen::DoSmiUntag(LSmiUntag* instr) {
 
 void LCodeGen::EmitNumberUntagDNoSSE2(Register input_reg,
                                       Register temp_reg,
-                                      bool deoptimize_on_undefined,
+                                      bool allow_undefined_as_nan,
                                       bool deoptimize_on_minus_zero,
                                       LEnvironment* env,
                                       NumberUntagDMode mode) {
@@ -5099,7 +5099,7 @@ void LCodeGen::EmitNumberUntagDNoSSE2(Register input_reg,
     // Heap number map check.
     __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset),
            factory()->heap_number_map());
-    if (deoptimize_on_undefined) {
+    if (!allow_undefined_as_nan) {
       DeoptimizeIf(not_equal, env);
     } else {
       Label heap_number, convert;
@@ -5156,7 +5156,7 @@ void LCodeGen::EmitNumberUntagDNoSSE2(Register input_reg,
 void LCodeGen::EmitNumberUntagD(Register input_reg,
                                 Register temp_reg,
                                 XMMRegister result_reg,
-                                bool deoptimize_on_undefined,
+                                bool allow_undefined_as_nan,
                                 bool deoptimize_on_minus_zero,
                                 LEnvironment* env,
                                 NumberUntagDMode mode) {
@@ -5171,7 +5171,7 @@ void LCodeGen::EmitNumberUntagD(Register input_reg,
     // Heap number map check.
     __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset),
            factory()->heap_number_map());
-    if (deoptimize_on_undefined) {
+    if (!allow_undefined_as_nan) {
       DeoptimizeIf(not_equal, env);
     } else {
       Label heap_number, convert;
@@ -5519,14 +5519,14 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
     EmitNumberUntagD(input_reg,
                      temp_reg,
                      result_reg,
-                     instr->hydrogen()->deoptimize_on_undefined(),
+                     instr->hydrogen()->allow_undefined_as_nan(),
                      deoptimize_on_minus_zero,
                      instr->environment(),
                      mode);
   } else {
     EmitNumberUntagDNoSSE2(input_reg,
                            temp_reg,
-                           instr->hydrogen()->deoptimize_on_undefined(),
+                           instr->hydrogen()->allow_undefined_as_nan(),
                            deoptimize_on_minus_zero,
                            instr->environment(),
                            mode);