Uniform and precise source positions for inlining

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index ef3f31df4793aefb3cdfbc7012a9c889589b8fb7..3aa26e15413e63d89d26944e5e3e07ca1595f4d7 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -20,6 +20,7 @@
 #include "src/list.h"
 #include "src/messages.h"
 #include "src/property-details.h"
+#include "src/source-position.h"
 #include "src/unicode-decoder.h"
 #include "src/unicode.h"
 #include "src/zone/zone.h"
@@ -4955,6 +4956,25 @@ class ByteArray: public FixedArrayBase {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ByteArray);
 };
 
+template <class T>
+class PodArray : public ByteArray {
+ public:
+  STATIC_ASSERT(std::is_pod<T>::value);
+  T get(int index) {
+    T result;
+    copy_out(index * sizeof(T), reinterpret_cast<byte*>(&result), sizeof(T));
+    return result;
+  }
+  void set(int index, const T& value) {
+    copy_in(index * sizeof(T), reinterpret_cast<const byte*>(&value),
+            sizeof(T));
+  }
+  int length() { return ByteArray::length() / sizeof(T); }
+  DECLARE_CAST(PodArray<T>);
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(PodArray<T>);
+};
 
 // BytecodeArray represents a sequence of interpreter bytecodes.
 class BytecodeArray : public FixedArrayBase {
@@ -5187,7 +5207,6 @@ TYPED_ARRAYS(FIXED_TYPED_ARRAY_TRAITS)
 
 #undef FIXED_TYPED_ARRAY_TRAITS
 
-
 // DeoptimizationInputData is a fixed array used to hold the deoptimization
 // data for code generated by the Hydrogen/Lithium compiler.  It also
 // contains information about functions that were inlined.  If N different
@@ -5206,7 +5225,8 @@ class DeoptimizationInputData: public FixedArray {
   static const int kOptimizationIdIndex = 5;
   static const int kSharedFunctionInfoIndex = 6;
   static const int kWeakCellCacheIndex = 7;
-  static const int kFirstDeoptEntryIndex = 8;
+  static const int kInliningPositionsIndex = 8;
+  static const int kFirstDeoptEntryIndex = 9;
 
   // Offsets of deopt entry elements relative to the start of the entry.
   static const int kAstIdRawOffset = 0;
@@ -5228,6 +5248,7 @@ class DeoptimizationInputData: public FixedArray {
   DECLARE_ELEMENT_ACCESSORS(OptimizationId, Smi)
   DECLARE_ELEMENT_ACCESSORS(SharedFunctionInfo, Object)
   DECLARE_ELEMENT_ACCESSORS(WeakCellCache, Object)
+  DECLARE_ELEMENT_ACCESSORS(InliningPositions, PodArray<InliningPosition>)
 
 #undef DECLARE_ELEMENT_ACCESSORS
 
@@ -5269,7 +5290,6 @@ class DeoptimizationInputData: public FixedArray {
   static int LengthFor(int entry_count) { return IndexForEntry(entry_count); }
 };
 
-
 // DeoptimizationOutputData is a fixed array used to hold the deoptimization
 // data for code generated by the full compiler.
 // The format of the these objects is