suppress integer overflow warnings

* random.c: annotate rb_hash_start with NO_SANITIZE (seed.key.hash + h
  overflows and that seems intentional)
* bignum.c: avoid (size_t)--
* cont.c: ditto
* util.c: ditto
* vm_insnhelper.c: ditto



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/random.c b/random.c
index 16f2453b69..4f6d51dffa 100644
--- a/random.c
+++ b/random.c
@@ -1573,6 +1573,7 @@ init_seed(struct MT *mt)
 	seed.u32[i] = genrand_int32(mt);
 }
 
+NO_SANITIZE("unsigned-integer-overflow", extern st_index_t rb_hash_start(st_index_t h));
 st_index_t
 rb_hash_start(st_index_t h)
 {