Fix a bug that occurs when functions are defined with more than 16,382 parame...

src/ia32/full-codegen-ia32.cc

Index: src/ia32/full-codegen-ia32.cc
===================================================================
--- src/ia32/full-codegen-ia32.cc	(revision 6683)
+++ src/ia32/full-codegen-ia32.cc	(working copy)
@@ -310,12 +310,21 @@
     // patch with the code required by the debugger.
     __ mov(esp, ebp);
     __ pop(ebp);
-    __ ret((scope()->num_parameters() + 1) * kPointerSize);
+
+    int arguments_bytes = (scope()->num_parameters() + 1) * kPointerSize;
+    if (is_uint16(arguments_bytes)) {
+      __ ret(arguments_bytes);
+    } else {
+      __ pop(ecx);
+      __ add(Operand(esp), Immediate(arguments_bytes));
+      __ push(ecx);
+      __ ret(0);
+    }
 #ifdef ENABLE_DEBUGGER_SUPPORT
     // Check that the size of the code used for returning matches what is
     // expected by the debugger.
-    ASSERT_EQ(Assembler::kJSReturnSequenceLength,
-              masm_->SizeOfCodeGeneratedSince(&check_exit_codesize));
+    ASSERT(Assembler::kJSReturnSequenceLength <=
+           masm_->SizeOfCodeGeneratedSince(&check_exit_codesize));
 #endif
   }
 }