pr17055-1.c (dg-options): Add -fno-common to options on hppa*-*-hpux*.

	* gcc.dg/pr17055-1.c (dg-options): Add -fno-common to options on
	hppa*-*-hpux*.
	* gcc.dg/pr17957.c (dg-options): Likewise.
	* gcc.dg/struct-ret-1.c: Add prototype for abort.
	* gcc.dg/tree-ssa/asm-2.c, gcc.dg/tree-ssa/asm-3.c: Use register 1
	instead of 0 on __hppa__.
	* gcc.dg/tree-ssa/loop-1.c (dg-final): Check for five instances of
	"foo,%r" on hppa*-*-*.

From-SVN: r92606