gather and scatter instructions when using -masm=intel.
- Amend gcc7-remove-Wexpansion-to-defined-from-Wextra.patch to
reflect changes in option handling in the testsuite.
- Add gcc7-testsuite-fixes.patch to fix PR98001 and PR98002 which
are broken testcases showing with malloc debugging enabled.
OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gcc7?expand=0&rev=196
