testsuite: forward extra arguments from $GCC_UNDER_TEST to gcc-ar

gcc/testsuite/ChangeLog:

	* lib/lto.exp (lto-build-archive): Forward extra command line
	arguments from $GCC_UNDER_TEST to gcc-ar.

Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
1 file changed