[PATCH] testsuite: Fix cc-with-tweaks.sh being executed in the wrong shell

[Simon Marchi]

On 2018-04-26 15:34, Simon Marchi wrote:
> The cc-with-tweaks.sh script needs to be executed with bash.  When
> trying to run this:
> 
>   make check RUNTESTFLAGS="--target_board=dwarf4-gdb-index"
> TESTS="gdb.base/return.exp"
> 
> I get:
> 
>   gdb compile failed,
> /home/emaisin/src/binutils-gdb/gdb/contrib/cc-with-tweaks.sh: 174:
> /home/emaisin/src/binutils-gdb/gdb/contrib/cc-with-tweaks.sh: Bad
> substitution
> 
> The reason is that the board files execute cc-with-tweaks.sh using
> /bin/sh, which points to dash on my machine.  Remove the /bin/sh part
> and let the shebang choose the right interpreter.

I pushed this.

Simon