2015-09-02  Christophe Lyon  <christophe.lyon@linaro.org>

	* lib/target-supports.exp (clear_effective_target_cache): New.
	(check_cached_effective_target): Update et_prop_list.
	* lib/asan-dg.exp (asan_finish): Call clear_effective_target_cache.
	* g++.dg/compat/compat.exp: Likewise.
	* g++.dg/compat/struct-layout-1.exp: Likewise.
	* lib/asan-dg.exp: Likewise.
	* lib/atomic-dg.exp: Likewise.
	* lib/cilk-plus-dg.exp: Likewise.
	* lib/clearcap.exp: Likewise.
	* lib/mpx-dg.exp: Likewise.
	* lib/tsan-dg.exp: Likewise.
	* lib/ubsan-dg.exp: Likewise.

From-SVN: r227401