[Darwin, PPC, testsuite] Fix builtins-1 testcase for Darwin.

This needs to account for Darwin's __USER_LABEL_PREFIX__.

2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>

	* gcc.target/powerpc/builtins-1.c: Account for Darwin's use of
	__USER_LABEL_PREFIX__.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@272604 138bc75d-0d04-0410-961f-82ee72b054a4
2 files changed