commit 012fc4e9d9b66b3ffb7838b0e29dadbb4863ee69
author Nicolas Geoffray <ngeoffray@google.com> Fri Jan 08 15:58:19 2016 +0000
committer Nicolas Geoffray <ngeoffray@google.com> Fri Jan 08 17:14:17 2016 +0000
tree abba308e56a3d81e5c3fceebc95fb37a0ffe9c7c
parent 5ee288c9dd99614e3a238f5efceeec6456e3499d

Don't encode a DexRegisterMap if there is no live register.

Change-Id: I76a291e6a0ac37f0590d16c7f5b866115588bc55

runtime/stack.cc

diff --git a/runtime/stack.cc b/runtime/stack.cc
index 9098d38..5faff93 100644
--- a/runtime/stack.cc
+++ b/runtime/stack.cc
@@ -322,6 +322,9 @@
                                            number_of_dex_registers)
       : code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_dex_registers);
 
+  if (!dex_register_map.IsValid()) {
+    return false;
+  }
   DexRegisterLocation::Kind location_kind =
       dex_register_map.GetLocationKind(vreg, number_of_dex_registers, code_info, encoding);
   switch (location_kind) {