[Bug gdb/26523] New: advance/until to inline frames

["palves at redhat dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=26523

            Bug ID: 26523
           Summary: advance/until to inline frames
           Product: gdb
           Version: unknown
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: palves at redhat dot com
  Target Milestone: ---

If you do "tbreak LINENO; c" to advance to an inlined function, GDB
presents the stop at the inline frame instead of at the non-artificial
stack frame:

 (gdb) list 21
 18      static inline __attribute__ ((always_inline)) int
 19      inline_func (int i)
 20      {
 21        return i + 1;
 22      }

 (gdb) tbreak 21
 Temporary breakpoint 3 at 0x55555555516f: advance.cc:21.
 (gdb) c
 Continuing.

 Temporary breakpoint 3, inline_func (i=0) at advance.cc:21
 21        return i + 1; /* multiple locations here */

If however, you do "advance LINENO" or "until LINENO" instead, GDB
presents the stop at the non-artificial frame:

 (gdb) advance 21
 main () at advance.cc:43
 43        i = inline_func (i);
 (gdb)

"advance" and "until" should really behave like user breakpoints here, since
their location is also user-specified.

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