[RFA] Let GDB find the right options.c

[Jie Zhang]

When I was trying to set a breakpoint on a function in GCC generated 
options.c, like cl_optimization_restore, GDB always thought it's the 
options.c in gcc/fortran/ . That's because the .gdbinit in the GCC build 
directory looks like:

dir .
dir ../../../svn/trunk/gcc
dir ../../../svn/trunk/gcc/ada
dir ../../../svn/trunk/gcc/cp
dir ../../../svn/trunk/gcc/fortran
dir ../../../svn/trunk/gcc/java
dir ../../../svn/trunk/gcc/lto
dir ../../../svn/trunk/gcc/objc
dir ../../../svn/trunk/gcc/objcp
source ../../../svn/trunk/gcc/gdbinit.in

So GDB will search ../../../svn/trunk/gcc/fortran before the build 
directory. This patch moves "dir ." after all other dir commands. So the 
build directory will be searched first.

The options.c in gcc/fortran should still be able to be found correctly 
when setting breakpoint on the functions in that file, since the file 
name for that options.c will contains "fortran/"

Is it OK?

-- 
Jie Zhang
CodeSourcery
(650) 331-3385 x735
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