tree cd6874562ab435b8da04a8c96ea6560dea98b293
parent f849885a4b49f2d766e6befc67475c05240023eb
author Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1597689531 -0300
committer Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1597689531 -0300

Better control of gray objects

Avoid turning an object to gray except at the moment it is inserted in a
gray list or in the explicit exceptional cases such as open upvalues and
fixed strings.