src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp

*** 376,386 ****
      // 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");
--- 376,388 ----
      // 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()) {
!       // get_frame_at_stack_banging_point() is only called when we
!       // have well defined stacks so java_sender() calls do not need
!       // to assert safe_for_sender() first.
        *fr = fr->java_sender();
      }
    } else {
      // more complex code with compiled code
      assert(!Interpreter::contains(pc), "Interpreted methods should have been handled above");
*** 393,403 ****
        *fr = os::fetch_frame_from_ucontext(thread, uc);
        // in compiled code, the stack banging is performed just after the return pc
        // has been pushed on the stack
        *fr = frame(fr->sp() + 1, fr->fp(), (address)*(fr->sp()));
        if (!fr->is_java_frame()) {
!         assert(fr->safe_for_sender(thread), "Safety check");
          *fr = fr->java_sender();
        }
      }
    }
    assert(fr->is_java_frame(), "Safety check");
--- 395,407 ----
        *fr = os::fetch_frame_from_ucontext(thread, uc);
        // in compiled code, the stack banging is performed just after the return pc
        // has been pushed on the stack
        *fr = frame(fr->sp() + 1, fr->fp(), (address)*(fr->sp()));
        if (!fr->is_java_frame()) {
!         // get_frame_at_stack_banging_point() is only called when we
!         // have well defined stacks so java_sender() calls do not need
!         // to assert safe_for_sender() first.
          *fr = fr->java_sender();
        }
      }
    }
    assert(fr->is_java_frame(), "Safety check");