[ld, testsuite] Always assemble those intermeidate .o files used later

[Jiong Wang]

On 22/01/17 21:18, Alan Modra wrote:
> On Fri, Jan 20, 2017 at 04:17:37PM +0000, Jiong Wang wrote:
>>          * ld/testsuite/lib/ld-lib.exp (run_ld_link_exec_tests): Append
>>          board_cflags as gcc is used as linker driver.
>>          * ld/testsuite/ld-unique/unique.exp: Likewise
> Thanks, this is OK.
>
Thanks for the review, pushed.

The only remaining failures on AArch64 bare-metal on my test environment is

FAIL: LTO 7
FAIL: LTO 8

which are caused by missing intermediate .o files.  The reason looks like the
assemble of some prerequisite .o files are gated by shared library check while
these .o are used later by non shared tests.

This patch simply split those compilation tests out to always run them,
meanwhile "LTO 7" has one .so participate linking, so it's gated by share
library check.

After this patch, above FAILs become UNSUPPORTED.
(I found some bare-metal tests actually are able to run on simulator, while ld
testsuite environment seems only support native run, might be a seperate issue)

Is this OK for master?

ld/
2017-01-23  Jiong Wang  <jiong.wang@arm.com>

         * testsuite/ld-plugin/lto.exp (lto_link_elf_tests): Move "Compile 7",
         "Compile 8a", "Compile 8b"...
         (lto_compile_elf_tests): ...to here.  Always run these tests.
         (lto_run_elf_tests): Move "LTO 7"...
         (lto_run_elf_shared_tests): ...to here.  Restrict these tests on
         environment where share library is supported.

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