S3_0 Some rscompat_postprocess() 'peffect' assignments dead ones
While rscompat code is branch-specific, there are couple of issues equivalent to S3_1 #46373 in S3_0; effect_new() return value assigned to a variable for no reason.
While rscompat code is branch-specific, there are couple of issues equivalent to S3_1 #46373 in S3_0; effect_new() return value assigned to a variable for no reason.