[Bug gdb/24515] New: FAIL: gdb.dwarf2/varval.exp: print varval2

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=24515

            Bug ID: 24515
           Summary: FAIL: gdb.dwarf2/varval.exp: print varval2
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

If I build gdb with -fsanitize=address and run tests with "export
ASAN_OPTIONS=detect_leaks=0", I run into this failure in gdb.dwarf2/varval.exp:
...
FAIL: gdb.dwarf2/varval.exp: print varval2
...

In more detail:
...
Breakpoint 1, 0x00000000004004ab in main ()^M
(gdb) print varval^M
$1 = 8^M
(gdb) PASS: gdb.dwarf2/varval.exp: print varval
print varval2^M
value has been optimized out^M
(gdb) FAIL: gdb.dwarf2/varval.exp: print varval2
print constval^M
$2 = 53^M
(gdb) PASS: gdb.dwarf2/varval.exp: print constval
...

With a gdb build without -fsanitize=address, I get instead:
...
Breakpoint 1, 0x00000000004004ab in main ()^M
(gdb) print varval^M
$1 = 8^M
(gdb) PASS: gdb.dwarf2/varval.exp: print varval
print varval2^M
$2 = 8^M
(gdb) PASS: gdb.dwarf2/varval.exp: print varval2
print constval^M
$3 = 53^M
(gdb) PASS: gdb.dwarf2/varval.exp: print constval
...

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