file-format.exp (gcc_target_object_format): Use remote_exec to call objdump.

file-format.exp (gcc_target_object_format): Use remote_exec to call objdump.

gcc/testsuite:
	* lib/file-format.exp (gcc_target_object_format): Use remote_exec
	to call objdump.
	* lib/scanasm.exp (scan-assembler-dem, scan-assembler-dem-not):
	Use remote_exec to call c++filt.
	* lib/target-supports-dg.exp (dg-require-host-local): New.
	* gcc.misc-tests/options.exp: Allow .exe in command paths.
	* g++.dg/parse/repo1.C: Use dg-require-host-local.
	* g++.dg/rtti/repo1.C: Likewise.
	* g++.dg/template/repo1.C: Likewise.
	* g++.dg/template/repo2.C: Likewise.
	* g++.dg/template/repo3.C: Likewise.
	* g++.dg/template/repo4.C: Likewise.
	* g++.dg/template/repo5.C: Likewise.
	* g++.old-deja/g++.pt/instantiate4.C: Likewise.
	* g++.old-deja/g++.pt/instantiate6.C: Likewise.
	* g++.old-deja/g++.pt/repo1.C: Likewise.
	* g++.old-deja/g++.pt/repo2.C: Likewise.
	* g++.old-deja/g++.pt/repo3.C: Likewise.
	* g++.old-deja/g++.pt/repo4.C: Likewise.
	* gcc.dg/cpp/trad/builtins.c: Likewise.

libstdc++-v3:
	* testsuite/lib/libstdc++.exp (v3-build-support): Specify output
	file for preprocessing.  Use remote_exec to call ar and ranlib.

From-SVN: r128283