MIPS: port Simplify handling of exits from with and catch.

src/mips/frames-mips.h

Index: src/mips/frames-mips.h
diff --git a/src/mips/frames-mips.h b/src/mips/frames-mips.h
index 2e720fb17e7237f8bf974b702323aaa729f740dd..8c605a39d93ad6ec430f43ffe2cfc1465073bbf1 100644
--- a/src/mips/frames-mips.h
+++ b/src/mips/frames-mips.h
@@ -121,10 +121,11 @@ static const int kSafepointRegisterStackIndexMap[kNumRegs] = {
 
 class StackHandlerConstants : public AllStatic {
  public:
-  static const int kNextOffset  = 0 * kPointerSize;
-  static const int kStateOffset = 1 * kPointerSize;
-  static const int kFPOffset    = 2 * kPointerSize;
-  static const int kPCOffset    = 3 * kPointerSize;
+  static const int kNextOffset    = 0 * kPointerSize;
+  static const int kStateOffset   = 1 * kPointerSize;
+  static const int kContextOffset = 2 * kPointerSize;
+  static const int kFPOffset      = 3 * kPointerSize;
+  static const int kPCOffset      = 4 * kPointerSize;
 
   static const int kSize = kPCOffset + kPointerSize;
 };