Regression: strace >=4.8 does not show filenames when tracing `man`

[Andrew Guertin]

On 03/29/2015 10:37 PM, Andrew Guertin wrote:
> When running the command
>     `strace -e trace=file man`
> I don't get filenames in the output. For all other executables I've
> tried, strace works fine. Only man has problems.

I bisected this.

At 3af224c, I started getting compile failures.
At 612659e, compilation succeeds and I get errors in the output but 
still see filenames.
At 9700592, I stop seeing filenames.