src/os_cpu/linux_x86/vm/os_linux_x86.cpp

*** 189,199 ****
      // been generated while the compilers perform it before. To maintain
      // semantic consistency between interpreted and compiled frames, the
      // method returns the Java sender of the current frame.
      *fr = os::fetch_frame_from_ucontext(thread, uc);
      if (!fr->is_first_java_frame()) {
-       assert(fr->safe_for_sender(thread), "Safety check");
        *fr = fr->java_sender();
      }
    } else {
      // more complex code with compiled code
      assert(!Interpreter::contains(pc), "Interpreted methods should have been handled above");
--- 189,198 ----
*** 207,217 ****
        // has been pushed on the stack
        intptr_t* fp = os::Linux::ucontext_get_fp(uc);
        intptr_t* sp = os::Linux::ucontext_get_sp(uc);
        *fr = frame(sp + 1, fp, (address)*sp);
        if (!fr->is_java_frame()) {
-         assert(fr->safe_for_sender(thread), "Safety check");
          assert(!fr->is_first_frame(), "Safety check");
          *fr = fr->java_sender();
        }
      }
    }
--- 206,215 ----