Implement inlining of constructor calls.

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index 1837f20192d28d372317d2d300f105585f16ab3e..1c9d5d435fefa8f3b4f0fcbe5f332af6f2be3860 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -324,6 +324,11 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
                         NullCallWrapper(), CALL_AS_METHOD);
     }
 
+    // Store offset of return address for deoptimizer.
+    if (!is_api_function && !count_constructions) {
+      masm->isolate()->heap()->SetConstructStubDeoptPCOffset(masm->pc_offset());
+    }
+
     // Restore context from the frame.
     __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
 
@@ -1606,7 +1611,9 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
   __ call(edx);
 
+  // Store offset of return address for deoptimizer.
   masm->isolate()->heap()->SetArgumentsAdaptorDeoptPCOffset(masm->pc_offset());
+
   // Leave frame and return.
   LeaveArgumentsAdaptorFrame(masm);
   __ ret(0);