gcc:
	PR bootstrap/33100
	* config.gcc (i[34567]86-*-solaris2*): Don't include
	i386/t-crtstuff here.
	Move extra_parts, i386/t-sol2 in tmake_file to libgcc/config.host.
	* config/i386/t-sol2: Move to libgcc/config/i386.
	
	libgcc:
	PR bootstrap/33100
	* configure.ac (i?86-*-solaris2.1[0-9]*): Only include
	i386/t-crtstuff if linker supports ZERO terminator unwind entries.
	* configure: Regenerate.
	* config.host (i[34567]86-*-solaris2*): Move i386/t-sol2 in
	tmake_file here from gcc/config.gcc.
	Move extra_parts here from gcc/config.gcc.
	* config/i386/t-sol2: Move here from gcc/config/i386.
	Use gcc_srcdir instead of srcdir.

From-SVN: r142050