Classes: Partial fix for constructor not calling super

src/arm/full-codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 433 matching lines @@
 
 #ifdef DEBUG
     // Add a label for checking the size of the code used for returning.
     Label check_exit_codesize;
     __ bind(&check_exit_codesize);
 #endif
     // Make sure that the constant pool is not emitted inside of the return
     // sequence.
     { Assembler::BlockConstPoolScope block_const_pool(masm_);
       int32_t sp_delta = (info_->scope()->num_parameters() + 1) * kPointerSize;
-      CodeGenerator::RecordPositions(masm_, function()->end_position() - 1);
+      if (function()->end_position() != RelocInfo::kNoPosition) {

[arv (Not doing code reviews), 2014/11/07 00:03:04]

I'm going to see if I can use the position of the class instead.

+        CodeGenerator::RecordPositions(masm_, function()->end_position() - 1);
+      }
       // TODO(svenpanne) The code below is sometimes 4 words, sometimes 5!
       PredictableCodeSizeScope predictable(masm_, -1);
       __ RecordJSReturn();
       int no_frame_start = __ LeaveFrame(StackFrame::JAVA_SCRIPT);
       { ConstantPoolUnavailableScope constant_pool_unavailable(masm_);
         __ add(sp, sp, Operand(sp_delta));
         __ Jump(lr);
         info_->AddNoFrameRange(no_frame_start, masm_->pc_offset());
       }
     }
@@ skipping 4876 matching lines @@
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM