[Bug tree-optimization/97789] valgrind error with ./gcc.dg/c11-atomic-2.c

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97789

--- Comment #8 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to David Binderman from comment #6)
>Maybe something like
> 
> $ git rev-parse HEAD >> gcc/trunk.git/gcc/DATESTAMP
> 
> would be enough to get it into the output of gcc -v.

For the record, my current bash code for this is:

cd ../trunk.git
HASH=`git rev-parse HEAD`
cd ../working
echo $HASH

and later

../trunk.git/configure --with-pkgversion=$HASH

Here is an example of it in practice:

$ ./results/bin/gcc -v
Using built-in specs.
COLLECT_GCC=./results/bin/gcc
COLLECT_LTO_WRAPPER=/home/dcb/gcc/results.20201111/libexec/gcc/x86_64-pc-linux-gnu/11.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../trunk.git/configure --prefix=/home/dcb/gcc/results.20201111
--disable-bootstrap --disable-multilib --disable-werror
--with-pkgversion=46c705e70e078f6a1920d92e49042125d5e18495
--enable-checking=df,extra,fold,rtl,yes --enable-languages=c,c++,fortran
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.0 20201111 (experimental)
(46c705e70e078f6a1920d92e49042125d5e18495) 
$