PPC: Vector ICs: debugger should save registers for vector store ics.

src/ppc/debug-ppc.cc

Index: src/ppc/debug-ppc.cc
diff --git a/src/ppc/debug-ppc.cc b/src/ppc/debug-ppc.cc
index a438a04e2e1b3ff565c0be40e8e0635adbffe53c..ff7dffd9de1df0f57b8d34cc1652c1cba64ad0b5 100644
--- a/src/ppc/debug-ppc.cc
+++ b/src/ppc/debug-ppc.cc
@@ -172,8 +172,11 @@ void DebugCodegen::GenerateStoreICDebugBreak(MacroAssembler* masm) {
   Register receiver = StoreDescriptor::ReceiverRegister();
   Register name = StoreDescriptor::NameRegister();
   Register value = StoreDescriptor::ValueRegister();
-  Generate_DebugBreakCallHelper(masm, receiver.bit() | name.bit() | value.bit(),
-                                0);
+  RegList regs = receiver.bit() | name.bit() | value.bit();
+  if (FLAG_vector_stores) {
+    regs |= VectorStoreICDescriptor::SlotRegister().bit();
+  }
+  Generate_DebugBreakCallHelper(masm, regs, 0);
 }
 
 
@@ -185,11 +188,7 @@ void DebugCodegen::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
 
 void DebugCodegen::GenerateKeyedStoreICDebugBreak(MacroAssembler* masm) {
   // Calling convention for IC keyed store call (from ic-ppc.cc).
-  Register receiver = StoreDescriptor::ReceiverRegister();
-  Register name = StoreDescriptor::NameRegister();
-  Register value = StoreDescriptor::ValueRegister();
-  Generate_DebugBreakCallHelper(masm, receiver.bit() | name.bit() | value.bit(),
-                                0);
+  GenerateStoreICDebugBreak(masm);
 }