re PR testsuite/38261 (gcc.dg/torture/ipa-pta-1.c & gcc.dg/tree-ssa/alias-2.c fail with -fpic/-fPIC)

	PR testsuite/38261
	* gcc.dg/tree-ssa/alias-2.c: Only compile on nonpic targets.
	* gcc.dg/torture/ipa-pta-1.c: Likewise.

From-SVN: r142256