mla-1.c: Ignore warnings about conflicting switches.

mla-1.c: Ignore warnings about conflicting switches.

	* gcc.target/arm/mla-1.c: Ignore warnings about conflicting switches.
	* gcc.target/arm/pr39839.c: Likewise.
	* gcc.target/arm/pr40657-2.c: Likewise.
	* gcc.target/arm/pr40956.c: Likewise.
	* gcc.target/arm/pr41679.c: Likewise.
	* gcc.target/arm/pr42235.c: Likewise.
	* gcc.target/arm/pr42495.c: Likewise.
	* gcc.target/arm/pr42505.c: Likewise.
	* gcc.target/arm/pr42574.c: Likewise.
	* gcc.target/arm/pr46883.c: Likewise.
	* gcc.target/arm/pr46934.c: Likewise.
	* gcc.target/arm/xor-and.c: Likewise.

From-SVN: r175046