Fix lazy deoptimization in the presence of exceptions

runtime/vm/stub_code_x64.cc

Index: runtime/vm/stub_code_x64.cc
diff --git a/runtime/vm/stub_code_x64.cc b/runtime/vm/stub_code_x64.cc
index 0c01d6882497e926e3602eee32ba206aad002fb5..032fbfbb3d131553e1323c7f2ff97fb29fe99993 100644
--- a/runtime/vm/stub_code_x64.cc
+++ b/runtime/vm/stub_code_x64.cc
@@ -1874,6 +1874,9 @@ void StubCode::GenerateJumpToExceptionHandlerStub(Assembler* assembler) {
   // Clear top exit frame.
   __ movq(Address(THR, Thread::top_exit_frame_info_offset()),
           Immediate(0));
+  // Restore the pool pointer.
+  __ RestoreCodePointer();
+  __ LoadPoolPointer(PP);
   __ jmp(CallingConventions::kArg1Reg);  // Jump to the exception handler code.
 }