lto.exp (lto_init): Test slib lto and no-liker-plugin path.

lto.exp (lto_init): Test slib lto and no-liker-plugin path.

	* lib/lto.exp (lto_init): Test slib lto and no-liker-plugin path.
	* lto/gcc-dg.exp (check_effective_target_lto): Likewise.
	* lto/c-torture.exp: Likewise.
	* execute/bultins/strstr-asm.c: Force fat LTO.
	* gcc.c-torture/compile/sync-1.c: Likewise.
	* gcc.c-torture/compile/sync-1.c: Likewise.
	* gcc.c-torture/compile/sync-3.c: Likewise.
	* gcc.dg/noncompile/invalid_asm.c: Likewise.
	* gcc.dg/noncompile/920507-1.c: Likewise.
	* gcc.dg/torture/pr36400.c: Likewise.
	* g++.dg/torture/pr34850.C: Likewise.

From-SVN: r180245