[tarantool-patches] [PATCH] Fix -Werror -Wimplicit-fallthrough build

[Alexander Turenko]

-Wimplicit-fallthrough is enabled by -Wextra on GCC 7, so it breaks our
Debug build with this version of the compiler.

Fixes #3658.
---

branch: https://github.com/tarantool/tarantool/tree/Totktonada/gh-3658-fix-gcc-7
issue: https://github.com/tarantool/tarantool/issues/3658

 src/box/sql/insert.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/box/sql/insert.c b/src/box/sql/insert.c
index 550514c03..f7d489fe3 100644
--- a/src/box/sql/insert.c
+++ b/src/box/sql/insert.c
@@ -891,6 +891,7 @@ vdbe_emit_constraint_checks(struct Parse *parse_context, struct Table *tab,
 		switch (on_conflict_nullable) {
 		case ON_CONFLICT_ACTION_ABORT:
 			sqlite3MayAbort(parse_context);
+			FALLTHROUGH;
 		case ON_CONFLICT_ACTION_ROLLBACK:
 		case ON_CONFLICT_ACTION_FAIL:
 			err_msg = sqlite3MPrintf(db, "%s.%s", def->name,
-- 
2.17.1