8175516: JNI exception pending in jdk_tools_jaotc_jnilibelf_JNILibELFAPI.c:97 Summary: add missing NULL checks Reviewed-by: iveresov

^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
.DS_Store
.metadata/
.recommenders/