Make sure we always have room for patching the reloc info during lazy deoptim...

src/ia32/deoptimizer-ia32.cc

Index: src/ia32/deoptimizer-ia32.cc
===================================================================
--- src/ia32/deoptimizer-ia32.cc	(revision 6782)
+++ src/ia32/deoptimizer-ia32.cc	(working copy)
@@ -80,6 +80,7 @@
   Address prev_address = code_start_address;
   for (unsigned i = 0; i < table.length(); ++i) {
     Address curr_address = code_start_address + table.GetPcOffset(i);
+    ASSERT_GE(curr_address - prev_address, patch_size());
     ZapCodeRange(prev_address, curr_address);
 
     SafepointEntry safepoint_entry = table.GetEntry(i);
@@ -97,7 +98,8 @@
                       RelocInfo::RUNTIME_ENTRY,
                       reinterpret_cast<intptr_t>(deopt_entry));
       reloc_info_writer.Write(&rinfo);
-
+      ASSERT_GE(reloc_info_writer.pos(),
+                reloc_info->address() + ByteArray::kHeaderSize);
       curr_address += patch_size();
     }
     prev_address = curr_address;