[Interpreter] Pops the context to the correct level on return.

test/cctest/interpreter/bytecode_expectations/TryCatch.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 pool type: string
 execute: yes
 wrap: yes
 
 ---
 snippet: "
   try { return 1; } catch(e) { return 2; }
 "
 frame size: 5
 parameter count: 1
-bytecode array length: 38
+bytecode array length: 40
 bytecodes: [
   B(StackCheck),
   B(Mov), R(context), R(1),
   B(LdaSmi8), U8(1),
   B(Return),
   B(Star), R(3),
   B(LdaConstant), U8(0),
   B(Star), R(2),
   B(Ldar), R(closure),
   B(Star), R(4),
   B(CallRuntime), U16(Runtime::kPushCatchContext), R(2), U8(3),
   B(Star), R(1),
   B(CallRuntime), U16(Runtime::kInterpreterClearPendingMessage), R(0), U8(0),
   B(Ldar), R(1),
   B(PushContext), R(0),
   B(LdaSmi8), U8(2),
+  B(PopContext), R(0),
   B(Return),
   B(LdaUndefined),
   B(Return),
 ]
 constant pool: [
   "e",
 ]
 handlers: [
   [4, 7, 7],
 ]
@@ skipping 46 matching lines @@
 ]
 constant pool: [
   "e1",
   "e2",
 ]
 handlers: [
   [4, 8, 10],
   [41, 45, 47],
 ]