Bug: Negation in 'luaV_shiftr' may overflow

Negation of an unchecked lua_Integer overflows with mininteger.

1 files changed, 5 insertions, 0 deletions

diff --git a/testes/bitwise.lua b/testes/bitwise.lua
index 59781f5d..9509f7f0 100644
--- a/testes/bitwise.lua
+++ b/testes/bitwise.lua
@@ -45,6 +45,11 @@ assert(-1 >> numbits == 0 and
        -1 << numbits == 0 and
        -1 << -numbits == 0)
 
+assert(1 >> math.mininteger == 0)
+assert(1 >> math.maxinteger == 0)
+assert(1 << math.mininteger == 0)
+assert(1 << math.maxinteger == 0)
+
 assert((2^30 - 1) << 2^30 == 0)
 assert((2^30 - 1) >> 2^30 == 0)