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705dc3f049
Without the type hint the previous optimization no longer applied, as the result could be an (overloaded) object, which might have caused dtor effect reordering.
29 lines
599 B
PHP
29 lines
599 B
PHP
--TEST--
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DCE 003: Assignment elimination (without FREE)
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--INI--
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opcache.enable=1
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opcache.enable_cli=1
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opcache.optimization_level=-1
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opcache.opt_debug_level=0x20000
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--SKIPIF--
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<?php require_once('skipif.inc'); ?>
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--FILE--
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<?php
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function foo(int $a) {
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$b = $a += 3;
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return $a;
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}
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?>
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--EXPECTF--
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$_main: ; (lines=1, args=0, vars=0, tmps=0)
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; (after optimizer)
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; %sdce_003.php:1-7
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L0 (7): RETURN int(1)
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foo: ; (lines=3, args=1, vars=1, tmps=0)
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; (after optimizer)
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; %sdce_003.php:2-5
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L0 (2): CV0($a) = RECV 1
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L1 (3): CV0($a) = ADD CV0($a) int(3)
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L2 (4): RETURN CV0($a)
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