Remove some leftovers of full-codegen's generators implementation.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index f0b9b04cdb0673abbc9ef48b93a0813ffd28ea63..8d6303d37d43d5d990693d2962127d209323e172 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -19748,24 +19748,15 @@ void PropertyCell::SetValueWithInvalidation(Handle<PropertyCell> cell,
 
 int JSGeneratorObject::source_position() const {
   CHECK(is_suspended());
+  DCHECK(function()->shared()->HasBytecodeArray());
+  DCHECK(!function()->shared()->HasBaselineCode());
   AbstractCode* code;
   int code_offset;
-  if (function()->shared()->HasBytecodeArray()) {
-    // New-style generators.
-    DCHECK(!function()->shared()->HasBaselineCode());
-    code_offset = Smi::cast(input_or_debug_pos())->value();
-    // The stored bytecode offset is relative to a different base than what
-    // is used in the source position table, hence the subtraction.
-    code_offset -= BytecodeArray::kHeaderSize - kHeapObjectTag;
-    code = AbstractCode::cast(function()->shared()->bytecode_array());
-  } else {
-    // Old-style generators.
-    DCHECK(function()->shared()->HasBaselineCode());
-    code_offset = continuation();
-    CHECK(0 <= code_offset);
-    CHECK(code_offset < function()->code()->instruction_size());
-    code = AbstractCode::cast(function()->shared()->code());
-  }
+  code_offset = Smi::cast(input_or_debug_pos())->value();

[Michael Starzinger, 2016/11/21 15:56:16]

nit: Declaration and definition of {code_offset} can go into one line now.

[neis, 2016/11/22 13:18:53]

Done.

+  // The stored bytecode offset is relative to a different base than what
+  // is used in the source position table, hence the subtraction.
+  code_offset -= BytecodeArray::kHeaderSize - kHeapObjectTag;
+  code = AbstractCode::cast(function()->shared()->bytecode_array());

[Michael Starzinger, 2016/11/21 15:56:16]

nit: Declaration and definition of {code} can go into one line now.

[neis, 2016/11/22 13:18:53]

Done.

   return code->SourcePosition(code_offset);
 }