[PATCH] btrace: indicate speculative execution

[Eli Zaretskii]

> 2015-08-06  Markus Metzger  <markus.t.metzger@intel.com>
> 
> 	* btrace.c (btrace_compute_ftrace_bts): Clear insn flags.
> 	(pt_btrace_insn_flags): New.
> 	(ftrace_add_pt): Call pt_btrace_insn_flags.
> 	* btrace.h (btrace_insn_flag): New.
> 	(btrace_insn) <flags>: New.
> 	* record-btrace.c (btrace_insn_history): Print insn prefix.
> 	* NEWS: Announce it.
> 
> doc/
> 	* gdb.texinfo (Process Record and Replay): Document it.

doc/ has a separate ChangeLog file, so you cannot say just "Document
it." and hope people will somehow read that right after the main log
entry.

> +Speculatively executed instructions are prefixed with @code{?}.  This

Please use @samp here, not code, so that the question mark is quoted
in the printed manual as well.

The documentation parts are OK with those changes.

Thanks.