RFR(XXS): 8194652 VMError::print_native_stack() is missing an os::is_first_C_frame() check

[Frederic Parain]

Looks good to me.

Fred

> On Jan 5, 2018, at 11:11, Daniel D. Daugherty <daniel.daugherty at oracle.com> wrote:
> 
> Greetings,
> 
> I have a very small fix for a bug in VMError::print_native_stack() along
> with a new test. I ran into the bug while working on some stack walking
> code. For some reason, the bug only reproduces on OSX and Solaris X64.
> 
> 8194652 VMError::print_native_stack() is missing an os::is_first_C_frame() check
> https://bugs.openjdk.java.net/browse/JDK-8194652
> 
> Webrev: http://cr.openjdk.java.net/~dcubed/8194652-webrev/jdk11-0/
> 
> 
> The new test has been verified to fail on OSX and Solaris X64 without the
> fix in place and, with the fix in place, it passes on all Mach5 platforms.
> I've tested the fix with a Mach5 hs-tier[1-3] run and there are no unknown
> failures.
> 
> Thanks, in advance, for any comments, questions, or suggestions.
> 
> Dan