Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- a/src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp	Mon Jun 19 22:49:52 2017 +0000
     1.2 +++ b/src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp	Mon Jun 26 02:04:40 2017 -0700
     1.3 @@ -44,9 +44,8 @@
     1.4    assert(this->is_Java_thread(), "must be JavaThread");
     1.5    JavaThread* jt = (JavaThread *)this;
     1.6  
     1.7 -  // last_Java_frame is always walkable and safe use it if we have it
     1.8 -
     1.9 -  if (jt->has_last_Java_frame()) {
    1.10 +  // There is small window where last_Java_frame is not walkable or safe
    1.11 +  if (jt->has_last_Java_frame() && jt->frame_anchor()->walkable()) {
    1.12      *fr_addr = jt->pd_last_frame();
    1.13      return true;
    1.14    }