i386, x86_64, ppc: fix switch fallthrough cases with GCC7

In util/getroot and efidisk slightly modify exitsing comment to mostly
retain it but still make GCC7 compliant with respect to fall through
annotation.

In grub-core/lib/xzembed/xz_dec_lzma2.c it adds same comments as
upstream.

In grub-core/tests/setjmp_tets.c declare functions as "noreturn" to
suppress GCC7 warning.

In grub-core/gnulib/regexec.c use new __attribute__, because existing
annotation is not recognized by GCC7 parser (which requires that comment
immediately precedes case statement).

Otherwise add FALLTHROUGH comment.

Closes: 50598
This commit is contained in:
Andrei Borzenkov 2017-04-04 19:23:55 +03:00
parent 6cef7f6079
commit 4bd4a88725
17 changed files with 32 additions and 3 deletions

View file

@ -4099,6 +4099,9 @@ check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
case OP_UTF8_PERIOD:
if (ch >= ASCII_CHARS)
return false;
#if defined __GNUC__ && __GNUC__ >= 7
__attribute__ ((fallthrough));
#endif
/* FALLTHROUGH */
#endif
case OP_PERIOD: