[committed] [gdb/contrib] Remove superfluous .alt file after dwz invocation in cc-with-tweaks.sh

[Tom de Vries <tdevries@suse.de>]

Committed as obvious.

Thanks,
- Tom

On 11-04-19 12:26, Tom de Vries wrote:
> Hi,
> 
> The -m option of cc-with-tweaks.sh sets want_multi to true, invoking dwz like
> this:
> ...
> elif [ "$want_multi" = true ]; then
>     cp $output_file ${output_file}.alt
>     $DWZ -m ${output_file}.dwz "$output_file" ${output_file}.alt \
>         > /dev/null 2>&1
> fi
> ...
> 
> The problem that is being solved here, is that we want to test dwz in
> multifile mode, which requires more than one input file, while we only have
> (at the scope of cc-with-tweaks.sh) one executable.  We handle this by copying
> the executable and offering this as a second input (and using a copy has the
> additional benefit that it maximally enables dwz transformation).
> 
> However, after the dwz invocation, the copy is no longer used, and the
> presence of the file actually causes a test regression:
> ...
> FAIL: gdb.base/jit-so.exp: test jit-reader-load filename completion
> ...
> 
> Fix this by removing the superflous copy after dwz invocation.
> 
> Tested on x86_64-linux.
> 
> OK for trunk?
> 
> Thanks,
> - Tom
> 
> [gdb/contrib] Remove superfluous .alt file after dwz invocation in cc-with-tweaks.sh
> 
> gdb/ChangeLog:
> 
> 2019-04-11  Tom de Vries  <tdevries@suse.de>
> 
> 	PR gdb/24438
> 	* contrib/cc-with-tweaks.sh: Remove superfluous .alt file after dwz
> 	invocation.
> 
> ---
>  gdb/contrib/cc-with-tweaks.sh | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/gdb/contrib/cc-with-tweaks.sh b/gdb/contrib/cc-with-tweaks.sh
> index f6bfa16565..33c6322138 100755
> --- a/gdb/contrib/cc-with-tweaks.sh
> +++ b/gdb/contrib/cc-with-tweaks.sh
> @@ -180,6 +180,7 @@ if [ "$want_dwz" = true ]; then
>  elif [ "$want_multi" = true ]; then
>      cp $output_file ${output_file}.alt
>      $DWZ -m ${output_file}.dwz "$output_file" ${output_file}.alt > /dev/null 2>&1
> +    rm -f ${output_file}.alt
>  fi
>  
>  if [ "$want_dwp" = true ]; then
>