tautological-expressions.lint-test
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tautological-expressions.lint-test
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	<?php

	if ($x == $x) {}

	if ($x->m(3) < $x->m(3)) {}

	if ($y[2] - $y[2]) {}

	if ($x == $y) {}

	// See xhpast 0.54 -> 0.55.
	return $a->sub->value < $b->sub->value;

	$skip_cache = true \|\| $some_complicated_expression;
	$skip_cache = $a \|\| $b;
	$skip_cache = false && something();
	$skip_cache = f();

	~~~~~~~~~~
	error:3:5
	error:5:5
	error:7:5
	error:14:15
	error:16:15