[Bug python/27234] New: gdb.Value causes abort when converted to string

["grazfather at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=27234

            Bug ID: 27234
           Summary: gdb.Value causes abort when converted to string
           Product: gdb
           Version: 10.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: python
          Assignee: unassigned at sourceware dot org
          Reporter: grazfather at gmail dot com
  Target Milestone: ---

This was reported via github: https://github.com/hugsy/gef/issues/593, but it's
a bug in GDB.

Compile the following go code:

```
package main

import (
       "fmt"
)

func main() {
       fmt.Printf("hi");
}
```

for x86_64.

Open it in GDB 10.1

b main.main
run
ni 7

Now run in a python interpreter
```
current_frame = gdb.selected_frame()
frame_args = gdb.FrameDecorator.FrameDecorator(current_frame).frame_args() or
[]
values = [x.sym.value(current_frame) for x in frame_args]
# You should get a list of four values
# value 1 can be converted to a string
str(values[1])
# This will abort
str(values[0])
```

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