Backport from mainline
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
PR lto/83954
* lto-symtab.c (warn_type_compatibility_p): Silence false positive
for type match warning on arrays of pointers.
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
PR lto/83954
* gcc.dg/lto/pr83954.h: New testcase.
* gcc.dg/lto/pr83954_0.c: New testcase.
* gcc.dg/lto/pr83954_1.c: New testcase.