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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-10-17 08:50:01 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-10-17 08:50:01 +0000
commit1efb3c31b731e99627bbc0da13dfd3463bb67c67 (patch)
treef6258144a4e2509c34fac5fcda8291547951b4dc /node.h
parent0f67a3bb3171c98770c7a5de8559636d2551a3b8 (diff)
* Avoid undefined behaviors found by gcc -fsanitize=undefined.
gcc (Debian 4.9.1-16) 4.9.1 * include/ruby/ruby.h (INT2FIX): Avoid undefined behavior. * node.h (nd_set_line): Ditto. * pack.c (encodes): Ditto. (pack_unpack): Ditto. * regint.h (BIT_STATUS_AT): Ditto. (BS_BIT): Ditto. * time.c (time_mdump): Ditto. (time_mload): Ditto. * vm_core.h (VM_FRAME_MAGIC_MASK): Ditto. * vm_trace.c (recalc_add_ruby_vm_event_flags): Ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'node.h')
-rw-r--r--node.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/node.h b/node.h
index 5055af4..e376e57 100644
--- a/node.h
+++ b/node.h
@@ -287,7 +287,7 @@ typedef struct RNode {
#define NODE_LMASK (((SIGNED_VALUE)1<<(sizeof(VALUE)*CHAR_BIT-NODE_LSHIFT))-1)
#define nd_line(n) (int)(RNODE(n)->flags>>NODE_LSHIFT)
#define nd_set_line(n,l) \
- RNODE(n)->flags=((RNODE(n)->flags&~(-1<<NODE_LSHIFT))|(((l)&NODE_LMASK)<<NODE_LSHIFT))
+ RNODE(n)->flags=((RNODE(n)->flags&~((VALUE)(-1)<<NODE_LSHIFT))|((VALUE)((l)&NODE_LMASK)<<NODE_LSHIFT))
#define nd_refinements nd_reserved